Home / 42,329.77-63,498.11-21,258.97

Finding the Fourth Proportional to 42,329.77, 63,498.11 and 21,258.97

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Solution

The fourth proportional to 42,329.77, 63,498.11 and 21,258.97 is: 31,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,329.77 : 63,498.11 = 21,258.97 : x
  2. Step 2: Convert to fraction form
    42,329.77/63,498.11 = 21,258.97/x
  3. Step 3: Cross multiply
    42,329.77x = 63,498.11 × 21,258.97
  4. Step 4: Simplify right side
    42,329.77x = 1,349,904,627.27
  5. Step 5: Solve for x
    x = 1,349,904,627.27/42,329.77
  6. Step 6: Final answer
    x = 31,890.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.