Home / 38,721.12-58,047.27-13,757.88

Finding the Fourth Proportional to 38,721.12, 58,047.27 and 13,757.88

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Solution

The fourth proportional to 38,721.12, 58,047.27 and 13,757.88 is: 20,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.12 : 58,047.27 = 13,757.88 : x
  2. Step 2: Convert to fraction form
    38,721.12/58,047.27 = 13,757.88/x
  3. Step 3: Cross multiply
    38,721.12x = 58,047.27 × 13,757.88
  4. Step 4: Simplify right side
    38,721.12x = 798,607,374.99
  5. Step 5: Solve for x
    x = 798,607,374.99/38,721.12
  6. Step 6: Final answer
    x = 20,624.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.