Home / 47,502.56-65,542.92-28,377.20

Finding the Fourth Proportional to 47,502.56, 65,542.92 and 28,377.20

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Solution

The fourth proportional to 47,502.56, 65,542.92 and 28,377.20 is: 39,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,502.56 : 65,542.92 = 28,377.20 : x
  2. Step 2: Convert to fraction form
    47,502.56/65,542.92 = 28,377.20/x
  3. Step 3: Cross multiply
    47,502.56x = 65,542.92 × 28,377.20
  4. Step 4: Simplify right side
    47,502.56x = 1,859,924,549.42
  5. Step 5: Solve for x
    x = 1,859,924,549.42/47,502.56
  6. Step 6: Final answer
    x = 39,154.20

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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.