Home / 44,785.88-67,178.82-13,621.13

Finding the Fourth Proportional to 44,785.88, 67,178.82 and 13,621.13

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Solution

The fourth proportional to 44,785.88, 67,178.82 and 13,621.13 is: 20,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,785.88 : 67,178.82 = 13,621.13 : x
  2. Step 2: Convert to fraction form
    44,785.88/67,178.82 = 13,621.13/x
  3. Step 3: Cross multiply
    44,785.88x = 67,178.82 × 13,621.13
  4. Step 4: Simplify right side
    44,785.88x = 915,051,104.57
  5. Step 5: Solve for x
    x = 915,051,104.57/44,785.88
  6. Step 6: Final answer
    x = 20,431.69

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Double scale
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Similar ratio
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1.5x scale

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.