Home / 42,095.52-63,123.84-15,781.44

Finding the Fourth Proportional to 42,095.52, 63,123.84 and 15,781.44

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Solution

The fourth proportional to 42,095.52, 63,123.84 and 15,781.44 is: 23,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,095.52 : 63,123.84 = 15,781.44 : x
  2. Step 2: Convert to fraction form
    42,095.52/63,123.84 = 15,781.44/x
  3. Step 3: Cross multiply
    42,095.52x = 63,123.84 × 15,781.44
  4. Step 4: Simplify right side
    42,095.52x = 996,185,093.53
  5. Step 5: Solve for x
    x = 996,185,093.53/42,095.52
  6. Step 6: Final answer
    x = 23,664.87

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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.