Home / 42,331.40-58,418.14-23,209.92

Finding the Fourth Proportional to 42,331.40, 58,418.14 and 23,209.92

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Solution

The fourth proportional to 42,331.40, 58,418.14 and 23,209.92 is: 32,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.40 : 58,418.14 = 23,209.92 : x
  2. Step 2: Convert to fraction form
    42,331.40/58,418.14 = 23,209.92/x
  3. Step 3: Cross multiply
    42,331.40x = 58,418.14 × 23,209.92
  4. Step 4: Simplify right side
    42,331.40x = 1,355,880,355.95
  5. Step 5: Solve for x
    x = 1,355,880,355.95/42,331.40
  6. Step 6: Final answer
    x = 32,030.13

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Half scale
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Double scale
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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.