Home / 69,165.20-95,446.72-38,950.40

Finding the Fourth Proportional to 69,165.20, 95,446.72 and 38,950.40

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Solution

The fourth proportional to 69,165.20, 95,446.72 and 38,950.40 is: 53,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,165.20 : 95,446.72 = 38,950.40 : x
  2. Step 2: Convert to fraction form
    69,165.20/95,446.72 = 38,950.40/x
  3. Step 3: Cross multiply
    69,165.20x = 95,446.72 × 38,950.40
  4. Step 4: Simplify right side
    69,165.20x = 3,717,687,922.69
  5. Step 5: Solve for x
    x = 3,717,687,922.69/69,165.20
  6. Step 6: Final answer
    x = 53,750.84

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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.