Home / 48,068.56-72,102.84-31,442.57

Finding the Fourth Proportional to 48,068.56, 72,102.84 and 31,442.57

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Solution

The fourth proportional to 48,068.56, 72,102.84 and 31,442.57 is: 47,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,068.56 : 72,102.84 = 31,442.57 : x
  2. Step 2: Convert to fraction form
    48,068.56/72,102.84 = 31,442.57/x
  3. Step 3: Cross multiply
    48,068.56x = 72,102.84 × 31,442.57
  4. Step 4: Simplify right side
    48,068.56x = 2,267,098,593.90
  5. Step 5: Solve for x
    x = 2,267,098,593.90/48,068.56
  6. Step 6: Final answer
    x = 47,163.86

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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.