Home / 42,371.28-63,542.97-14,283.75

Finding the Fourth Proportional to 42,371.28, 63,542.97 and 14,283.75

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Solution

The fourth proportional to 42,371.28, 63,542.97 and 14,283.75 is: 21,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,371.28 : 63,542.97 = 14,283.75 : x
  2. Step 2: Convert to fraction form
    42,371.28/63,542.97 = 14,283.75/x
  3. Step 3: Cross multiply
    42,371.28x = 63,542.97 × 14,283.75
  4. Step 4: Simplify right side
    42,371.28x = 907,631,897.74
  5. Step 5: Solve for x
    x = 907,631,897.74/42,371.28
  6. Step 6: Final answer
    x = 21,420.92

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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.