Home / 38,720.62-58,081.20-15,346.99

Finding the Fourth Proportional to 38,720.62, 58,081.20 and 15,346.99

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Solution

The fourth proportional to 38,720.62, 58,081.20 and 15,346.99 is: 23,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.62 : 58,081.20 = 15,346.99 : x
  2. Step 2: Convert to fraction form
    38,720.62/58,081.20 = 15,346.99/x
  3. Step 3: Cross multiply
    38,720.62x = 58,081.20 × 15,346.99
  4. Step 4: Simplify right side
    38,720.62x = 891,371,595.59
  5. Step 5: Solve for x
    x = 891,371,595.59/38,720.62
  6. Step 6: Final answer
    x = 23,020.59

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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.