Home / 52,082.89-71,874.35-28,209.55

Finding the Fourth Proportional to 52,082.89, 71,874.35 and 28,209.55

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Solution

The fourth proportional to 52,082.89, 71,874.35 and 28,209.55 is: 38,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.89 : 71,874.35 = 28,209.55 : x
  2. Step 2: Convert to fraction form
    52,082.89/71,874.35 = 28,209.55/x
  3. Step 3: Cross multiply
    52,082.89x = 71,874.35 × 28,209.55
  4. Step 4: Simplify right side
    52,082.89x = 2,027,543,070.04
  5. Step 5: Solve for x
    x = 2,027,543,070.04/52,082.89
  6. Step 6: Final answer
    x = 38,929.16

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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.