Home / 52,022.46-71,790.76-28,149.55

Finding the Fourth Proportional to 52,022.46, 71,790.76 and 28,149.55

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Solution

The fourth proportional to 52,022.46, 71,790.76 and 28,149.55 is: 38,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,022.46 : 71,790.76 = 28,149.55 : x
  2. Step 2: Convert to fraction form
    52,022.46/71,790.76 = 28,149.55/x
  3. Step 3: Cross multiply
    52,022.46x = 71,790.76 × 28,149.55
  4. Step 4: Simplify right side
    52,022.46x = 2,020,877,517.78
  5. Step 5: Solve for x
    x = 2,020,877,517.78/52,022.46
  6. Step 6: Final answer
    x = 38,846.25

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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.