Home / 47,715.10-71,572.65-26,719.90

Finding the Fourth Proportional to 47,715.10, 71,572.65 and 26,719.90

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Solution

The fourth proportional to 47,715.10, 71,572.65 and 26,719.90 is: 40,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.10 : 71,572.65 = 26,719.90 : x
  2. Step 2: Convert to fraction form
    47,715.10/71,572.65 = 26,719.90/x
  3. Step 3: Cross multiply
    47,715.10x = 71,572.65 × 26,719.90
  4. Step 4: Simplify right side
    47,715.10x = 1,912,414,050.74
  5. Step 5: Solve for x
    x = 1,912,414,050.74/47,715.10
  6. Step 6: Final answer
    x = 40,079.85

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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.