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Finding the Fourth Proportional to 63,185.32, 94,774.95 and 15,800.71

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Solution

The fourth proportional to 63,185.32, 94,774.95 and 15,800.71 is: 23,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,185.32 : 94,774.95 = 15,800.71 : x
  2. Step 2: Convert to fraction form
    63,185.32/94,774.95 = 15,800.71/x
  3. Step 3: Cross multiply
    63,185.32x = 94,774.95 × 15,800.71
  4. Step 4: Simplify right side
    63,185.32x = 1,497,511,500.21
  5. Step 5: Solve for x
    x = 1,497,511,500.21/63,185.32
  6. Step 6: Final answer
    x = 23,700.31

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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.