Home / 71,380.45-107,034.22-26,399.53

Finding the Fourth Proportional to 71,380.45, 107,034.22 and 26,399.53

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Solution

The fourth proportional to 71,380.45, 107,034.22 and 26,399.53 is: 39,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.45 : 107,034.22 = 26,399.53 : x
  2. Step 2: Convert to fraction form
    71,380.45/107,034.22 = 26,399.53/x
  3. Step 3: Cross multiply
    71,380.45x = 107,034.22 × 26,399.53
  4. Step 4: Simplify right side
    71,380.45x = 2,825,653,101.92
  5. Step 5: Solve for x
    x = 2,825,653,101.92/71,380.45
  6. Step 6: Final answer
    x = 39,585.81

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1.5x scale

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.