Home / 42,539.34-63,815.92-14,461.90

Finding the Fourth Proportional to 42,539.34, 63,815.92 and 14,461.90

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Solution

The fourth proportional to 42,539.34, 63,815.92 and 14,461.90 is: 21,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.34 : 63,815.92 = 14,461.90 : x
  2. Step 2: Convert to fraction form
    42,539.34/63,815.92 = 14,461.90/x
  3. Step 3: Cross multiply
    42,539.34x = 63,815.92 × 14,461.90
  4. Step 4: Simplify right side
    42,539.34x = 922,899,578.41
  5. Step 5: Solve for x
    x = 922,899,578.41/42,539.34
  6. Step 6: Final answer
    x = 21,695.20

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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.