Home / 29,981.24-41,390.68-18,047.52

Finding the Fourth Proportional to 29,981.24, 41,390.68 and 18,047.52

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Solution

The fourth proportional to 29,981.24, 41,390.68 and 18,047.52 is: 24,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.24 : 41,390.68 = 18,047.52 : x
  2. Step 2: Convert to fraction form
    29,981.24/41,390.68 = 18,047.52/x
  3. Step 3: Cross multiply
    29,981.24x = 41,390.68 × 18,047.52
  4. Step 4: Simplify right side
    29,981.24x = 746,999,125.11
  5. Step 5: Solve for x
    x = 746,999,125.11/29,981.24
  6. Step 6: Final answer
    x = 24,915.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.