Home / 52,022.71-71,791.10-28,149.80

Finding the Fourth Proportional to 52,022.71, 71,791.10 and 28,149.80

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Solution

The fourth proportional to 52,022.71, 71,791.10 and 28,149.80 is: 38,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,022.71 : 71,791.10 = 28,149.80 : x
  2. Step 2: Convert to fraction form
    52,022.71/71,791.10 = 28,149.80/x
  3. Step 3: Cross multiply
    52,022.71x = 71,791.10 × 28,149.80
  4. Step 4: Simplify right side
    52,022.71x = 2,020,905,177.15
  5. Step 5: Solve for x
    x = 2,020,905,177.15/52,022.71
  6. Step 6: Final answer
    x = 38,846.60

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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.