Home / 71,947.72-107,895.66-30,397.96

Finding the Fourth Proportional to 71,947.72, 107,895.66 and 30,397.96

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Solution

The fourth proportional to 71,947.72, 107,895.66 and 30,397.96 is: 45,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,947.72 : 107,895.66 = 30,397.96 : x
  2. Step 2: Convert to fraction form
    71,947.72/107,895.66 = 30,397.96/x
  3. Step 3: Cross multiply
    71,947.72x = 107,895.66 × 30,397.96
  4. Step 4: Simplify right side
    71,947.72x = 3,279,807,956.85
  5. Step 5: Solve for x
    x = 3,279,807,956.85/71,947.72
  6. Step 6: Final answer
    x = 45,585.99

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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.