Home / 44,660.61-66,981.20-13,488.57

Finding the Fourth Proportional to 44,660.61, 66,981.20 and 13,488.57

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Solution

The fourth proportional to 44,660.61, 66,981.20 and 13,488.57 is: 20,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,660.61 : 66,981.20 = 13,488.57 : x
  2. Step 2: Convert to fraction form
    44,660.61/66,981.20 = 13,488.57/x
  3. Step 3: Cross multiply
    44,660.61x = 66,981.20 × 13,488.57
  4. Step 4: Simplify right side
    44,660.61x = 903,480,537.44
  5. Step 5: Solve for x
    x = 903,480,537.44/44,660.61
  6. Step 6: Final answer
    x = 20,229.92

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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.