Home / 63,721.17-95,607.90-28,163.70

Finding the Fourth Proportional to 63,721.17, 95,607.90 and 28,163.70

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Solution

The fourth proportional to 63,721.17, 95,607.90 and 28,163.70 is: 42,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.17 : 95,607.90 = 28,163.70 : x
  2. Step 2: Convert to fraction form
    63,721.17/95,607.90 = 28,163.70/x
  3. Step 3: Cross multiply
    63,721.17x = 95,607.90 × 28,163.70
  4. Step 4: Simplify right side
    63,721.17x = 2,692,672,213.23
  5. Step 5: Solve for x
    x = 2,692,672,213.23/63,721.17
  6. Step 6: Final answer
    x = 42,257.11

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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.