Home / 40,165.72-60,206.79-13,491.91

Finding the Fourth Proportional to 40,165.72, 60,206.79 and 13,491.91

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Solution

The fourth proportional to 40,165.72, 60,206.79 and 13,491.91 is: 20,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.72 : 60,206.79 = 13,491.91 : x
  2. Step 2: Convert to fraction form
    40,165.72/60,206.79 = 13,491.91/x
  3. Step 3: Cross multiply
    40,165.72x = 60,206.79 × 13,491.91
  4. Step 4: Simplify right side
    40,165.72x = 812,304,592.07
  5. Step 5: Solve for x
    x = 812,304,592.07/40,165.72
  6. Step 6: Final answer
    x = 20,223.83

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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.