Home / 38,649.68-53,337.48-22,735.76

Finding the Fourth Proportional to 38,649.68, 53,337.48 and 22,735.76

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Solution

The fourth proportional to 38,649.68, 53,337.48 and 22,735.76 is: 31,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.68 : 53,337.48 = 22,735.76 : x
  2. Step 2: Convert to fraction form
    38,649.68/53,337.48 = 22,735.76/x
  3. Step 3: Cross multiply
    38,649.68x = 53,337.48 × 22,735.76
  4. Step 4: Simplify right side
    38,649.68x = 1,212,668,144.28
  5. Step 5: Solve for x
    x = 1,212,668,144.28/38,649.68
  6. Step 6: Final answer
    x = 31,375.89

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Half scale
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Double scale
Find fourth proportional to 38,650.68, 53,338.86 and 22,736.76
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.