Home / 41,420.34-62,121.78-13,342.91

Finding the Fourth Proportional to 41,420.34, 62,121.78 and 13,342.91

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Solution

The fourth proportional to 41,420.34, 62,121.78 and 13,342.91 is: 20,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,420.34 : 62,121.78 = 13,342.91 : x
  2. Step 2: Convert to fraction form
    41,420.34/62,121.78 = 13,342.91/x
  3. Step 3: Cross multiply
    41,420.34x = 62,121.78 × 13,342.91
  4. Step 4: Simplify right side
    41,420.34x = 828,885,008.97
  5. Step 5: Solve for x
    x = 828,885,008.97/41,420.34
  6. Step 6: Final answer
    x = 20,011.55

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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.