Home / 29,663.28-44,469.16-12,121.92

Finding the Fourth Proportional to 29,663.28, 44,469.16 and 12,121.92

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Solution

The fourth proportional to 29,663.28, 44,469.16 and 12,121.92 is: 18,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.28 : 44,469.16 = 12,121.92 : x
  2. Step 2: Convert to fraction form
    29,663.28/44,469.16 = 12,121.92/x
  3. Step 3: Cross multiply
    29,663.28x = 44,469.16 × 12,121.92
  4. Step 4: Simplify right side
    29,663.28x = 539,051,599.99
  5. Step 5: Solve for x
    x = 539,051,599.99/29,663.28
  6. Step 6: Final answer
    x = 18,172.35

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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.