Home / 42,463.73-63,695.75-12,881.82

Finding the Fourth Proportional to 42,463.73, 63,695.75 and 12,881.82

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Solution

The fourth proportional to 42,463.73, 63,695.75 and 12,881.82 is: 19,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.73 : 63,695.75 = 12,881.82 : x
  2. Step 2: Convert to fraction form
    42,463.73/63,695.75 = 12,881.82/x
  3. Step 3: Cross multiply
    42,463.73x = 63,695.75 × 12,881.82
  4. Step 4: Simplify right side
    42,463.73x = 820,517,121.86
  5. Step 5: Solve for x
    x = 820,517,121.86/42,463.73
  6. Step 6: Final answer
    x = 19,322.78

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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.