Home / 41,386.20-62,079.30-15,109.80

Finding the Fourth Proportional to 41,386.20, 62,079.30 and 15,109.80

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Solution

The fourth proportional to 41,386.20, 62,079.30 and 15,109.80 is: 22,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,386.20 : 62,079.30 = 15,109.80 : x
  2. Step 2: Convert to fraction form
    41,386.20/62,079.30 = 15,109.80/x
  3. Step 3: Cross multiply
    41,386.20x = 62,079.30 × 15,109.80
  4. Step 4: Simplify right side
    41,386.20x = 938,005,807.14
  5. Step 5: Solve for x
    x = 938,005,807.14/41,386.20
  6. Step 6: Final answer
    x = 22,664.70

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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.