Home / 40,708.38-61,071.33-12,627.87

Finding the Fourth Proportional to 40,708.38, 61,071.33 and 12,627.87

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Solution

The fourth proportional to 40,708.38, 61,071.33 and 12,627.87 is: 18,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.38 : 61,071.33 = 12,627.87 : x
  2. Step 2: Convert to fraction form
    40,708.38/61,071.33 = 12,627.87/x
  3. Step 3: Cross multiply
    40,708.38x = 61,071.33 × 12,627.87
  4. Step 4: Simplify right side
    40,708.38x = 771,200,815.97
  5. Step 5: Solve for x
    x = 771,200,815.97/40,708.38
  6. Step 6: Final answer
    x = 18,944.52

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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.