Home / 31,626.23-47,402.82-11,892.20

Finding the Fourth Proportional to 31,626.23, 47,402.82 and 11,892.20

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Solution

The fourth proportional to 31,626.23, 47,402.82 and 11,892.20 is: 17,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.23 : 47,402.82 = 11,892.20 : x
  2. Step 2: Convert to fraction form
    31,626.23/47,402.82 = 11,892.20/x
  3. Step 3: Cross multiply
    31,626.23x = 47,402.82 × 11,892.20
  4. Step 4: Simplify right side
    31,626.23x = 563,723,578.99
  5. Step 5: Solve for x
    x = 563,723,578.99/31,626.23
  6. Step 6: Final answer
    x = 17,824.56

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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.