Home / 30,648.24-42,296.38-23,081.22

Finding the Fourth Proportional to 30,648.24, 42,296.38 and 23,081.22

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Solution

The fourth proportional to 30,648.24, 42,296.38 and 23,081.22 is: 31,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,648.24 : 42,296.38 = 23,081.22 : x
  2. Step 2: Convert to fraction form
    30,648.24/42,296.38 = 23,081.22/x
  3. Step 3: Cross multiply
    30,648.24x = 42,296.38 × 23,081.22
  4. Step 4: Simplify right side
    30,648.24x = 976,251,994.28
  5. Step 5: Solve for x
    x = 976,251,994.28/30,648.24
  6. Step 6: Final answer
    x = 31,853.44

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Double scale
Find fourth proportional to 30,649.24, 42,297.76 and 23,082.22
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.