Home / 38,241.80-52,782.14-21,251.88

Finding the Fourth Proportional to 38,241.80, 52,782.14 and 21,251.88

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Solution

The fourth proportional to 38,241.80, 52,782.14 and 21,251.88 is: 29,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,241.80 : 52,782.14 = 21,251.88 : x
  2. Step 2: Convert to fraction form
    38,241.80/52,782.14 = 21,251.88/x
  3. Step 3: Cross multiply
    38,241.80x = 52,782.14 × 21,251.88
  4. Step 4: Simplify right side
    38,241.80x = 1,121,719,705.42
  5. Step 5: Solve for x
    x = 1,121,719,705.42/38,241.80
  6. Step 6: Final answer
    x = 29,332.29

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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.