Home / 44,081.62-66,133.47-20,680.78

Finding the Fourth Proportional to 44,081.62, 66,133.47 and 20,680.78

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Solution

The fourth proportional to 44,081.62, 66,133.47 and 20,680.78 is: 31,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,081.62 : 66,133.47 = 20,680.78 : x
  2. Step 2: Convert to fraction form
    44,081.62/66,133.47 = 20,680.78/x
  3. Step 3: Cross multiply
    44,081.62x = 66,133.47 × 20,680.78
  4. Step 4: Simplify right side
    44,081.62x = 1,367,691,743.71
  5. Step 5: Solve for x
    x = 1,367,691,743.71/44,081.62
  6. Step 6: Final answer
    x = 31,026.35

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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.