Home / 38,691.14-58,041.87-15,312.11

Finding the Fourth Proportional to 38,691.14, 58,041.87 and 15,312.11

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Solution

The fourth proportional to 38,691.14, 58,041.87 and 15,312.11 is: 22,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.14 : 58,041.87 = 15,312.11 : x
  2. Step 2: Convert to fraction form
    38,691.14/58,041.87 = 15,312.11/x
  3. Step 3: Cross multiply
    38,691.14x = 58,041.87 × 15,312.11
  4. Step 4: Simplify right side
    38,691.14x = 888,743,150.42
  5. Step 5: Solve for x
    x = 888,743,150.42/38,691.14
  6. Step 6: Final answer
    x = 22,970.20

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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.