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Finding the Fourth Proportional to 41,592.40, 62,396.70 and 12,011.20

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Solution

The fourth proportional to 41,592.40, 62,396.70 and 12,011.20 is: 18,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,592.40 : 62,396.70 = 12,011.20 : x
  2. Step 2: Convert to fraction form
    41,592.40/62,396.70 = 12,011.20/x
  3. Step 3: Cross multiply
    41,592.40x = 62,396.70 × 12,011.20
  4. Step 4: Simplify right side
    41,592.40x = 749,459,243.04
  5. Step 5: Solve for x
    x = 749,459,243.04/41,592.40
  6. Step 6: Final answer
    x = 18,019.14

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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.