Home / 52,149.79-71,965.56-28,275.85

Finding the Fourth Proportional to 52,149.79, 71,965.56 and 28,275.85

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Solution

The fourth proportional to 52,149.79, 71,965.56 and 28,275.85 is: 39,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.79 : 71,965.56 = 28,275.85 : x
  2. Step 2: Convert to fraction form
    52,149.79/71,965.56 = 28,275.85/x
  3. Step 3: Cross multiply
    52,149.79x = 71,965.56 × 28,275.85
  4. Step 4: Simplify right side
    52,149.79x = 2,034,887,379.73
  5. Step 5: Solve for x
    x = 2,034,887,379.73/52,149.79
  6. Step 6: Final answer
    x = 39,020.05

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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.