Home / 38,723.84-53,469-29,757.20

Finding the Fourth Proportional to 38,723.84, 53,469 and 29,757.20

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Solution

The fourth proportional to 38,723.84, 53,469 and 29,757.20 is: 41,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.84 : 53,469 = 29,757.20 : x
  2. Step 2: Convert to fraction form
    38,723.84/53,469 = 29,757.20/x
  3. Step 3: Cross multiply
    38,723.84x = 53,469 × 29,757.20
  4. Step 4: Simplify right side
    38,723.84x = 1,591,087,726.80
  5. Step 5: Solve for x
    x = 1,591,087,726.80/38,723.84
  6. Step 6: Final answer
    x = 41,088.07

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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.