Home / 52,123.30-71,930.51-28,250.37

Finding the Fourth Proportional to 52,123.30, 71,930.51 and 28,250.37

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Solution

The fourth proportional to 52,123.30, 71,930.51 and 28,250.37 is: 38,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123.30 : 71,930.51 = 28,250.37 : x
  2. Step 2: Convert to fraction form
    52,123.30/71,930.51 = 28,250.37/x
  3. Step 3: Cross multiply
    52,123.30x = 71,930.51 × 28,250.37
  4. Step 4: Simplify right side
    52,123.30x = 2,032,063,407.02
  5. Step 5: Solve for x
    x = 2,032,063,407.02/52,123.30
  6. Step 6: Final answer
    x = 38,985.70

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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.