Home / 38,230.68-52,757.91-21,235.08

Finding the Fourth Proportional to 38,230.68, 52,757.91 and 21,235.08

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Solution

The fourth proportional to 38,230.68, 52,757.91 and 21,235.08 is: 29,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.68 : 52,757.91 = 21,235.08 : x
  2. Step 2: Convert to fraction form
    38,230.68/52,757.91 = 21,235.08/x
  3. Step 3: Cross multiply
    38,230.68x = 52,757.91 × 21,235.08
  4. Step 4: Simplify right side
    38,230.68x = 1,120,318,439.48
  5. Step 5: Solve for x
    x = 1,120,318,439.48/38,230.68
  6. Step 6: Final answer
    x = 29,304.17

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Half scale
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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.