Home / 38,248.12-52,777.20-21,251.08

Finding the Fourth Proportional to 38,248.12, 52,777.20 and 21,251.08

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Solution

The fourth proportional to 38,248.12, 52,777.20 and 21,251.08 is: 29,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248.12 : 52,777.20 = 21,251.08 : x
  2. Step 2: Convert to fraction form
    38,248.12/52,777.20 = 21,251.08/x
  3. Step 3: Cross multiply
    38,248.12x = 52,777.20 × 21,251.08
  4. Step 4: Simplify right side
    38,248.12x = 1,121,572,499.38
  5. Step 5: Solve for x
    x = 1,121,572,499.38/38,248.12
  6. Step 6: Final answer
    x = 29,323.60

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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.