Home / 33,431.46-46,134.69-18,323.76

Finding the Fourth Proportional to 33,431.46, 46,134.69 and 18,323.76

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Solution

The fourth proportional to 33,431.46, 46,134.69 and 18,323.76 is: 25,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.46 : 46,134.69 = 18,323.76 : x
  2. Step 2: Convert to fraction form
    33,431.46/46,134.69 = 18,323.76/x
  3. Step 3: Cross multiply
    33,431.46x = 46,134.69 × 18,323.76
  4. Step 4: Simplify right side
    33,431.46x = 845,360,987.23
  5. Step 5: Solve for x
    x = 845,360,987.23/33,431.46
  6. Step 6: Final answer
    x = 25,286.39

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Find fourth proportional to 16,715.73, 23,067.35 and 9,161.88
Half scale
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Double scale
Find fourth proportional to 33,432.46, 46,136.07 and 18,324.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.