Home / 39,350.13-54,301.82-21,444.78

Finding the Fourth Proportional to 39,350.13, 54,301.82 and 21,444.78

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Solution

The fourth proportional to 39,350.13, 54,301.82 and 21,444.78 is: 29,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.13 : 54,301.82 = 21,444.78 : x
  2. Step 2: Convert to fraction form
    39,350.13/54,301.82 = 21,444.78/x
  3. Step 3: Cross multiply
    39,350.13x = 54,301.82 × 21,444.78
  4. Step 4: Simplify right side
    39,350.13x = 1,164,490,476.28
  5. Step 5: Solve for x
    x = 1,164,490,476.28/39,350.13
  6. Step 6: Final answer
    x = 29,593.05

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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.