Home / 42,084.71-63,125.02-15,787.41

Finding the Fourth Proportional to 42,084.71, 63,125.02 and 15,787.41

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Solution

The fourth proportional to 42,084.71, 63,125.02 and 15,787.41 is: 23,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,084.71 : 63,125.02 = 15,787.41 : x
  2. Step 2: Convert to fraction form
    42,084.71/63,125.02 = 15,787.41/x
  3. Step 3: Cross multiply
    42,084.71x = 63,125.02 × 15,787.41
  4. Step 4: Simplify right side
    42,084.71x = 996,580,355.01
  5. Step 5: Solve for x
    x = 996,580,355.01/42,084.71
  6. Step 6: Final answer
    x = 23,680.34

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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.