Home / 69,156.50-95,445.05-38,947.72

Finding the Fourth Proportional to 69,156.50, 95,445.05 and 38,947.72

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Solution

The fourth proportional to 69,156.50, 95,445.05 and 38,947.72 is: 53,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,156.50 : 95,445.05 = 38,947.72 : x
  2. Step 2: Convert to fraction form
    69,156.50/95,445.05 = 38,947.72/x
  3. Step 3: Cross multiply
    69,156.50x = 95,445.05 × 38,947.72
  4. Step 4: Simplify right side
    69,156.50x = 3,717,367,082.79
  5. Step 5: Solve for x
    x = 3,717,367,082.79/69,156.50
  6. Step 6: Final answer
    x = 53,752.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.