Home / 40,708.35-61,071.24-12,627.80

Finding the Fourth Proportional to 40,708.35, 61,071.24 and 12,627.80

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Solution

The fourth proportional to 40,708.35, 61,071.24 and 12,627.80 is: 18,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.35 : 61,071.24 = 12,627.80 : x
  2. Step 2: Convert to fraction form
    40,708.35/61,071.24 = 12,627.80/x
  3. Step 3: Cross multiply
    40,708.35x = 61,071.24 × 12,627.80
  4. Step 4: Simplify right side
    40,708.35x = 771,195,404.47
  5. Step 5: Solve for x
    x = 771,195,404.47/40,708.35
  6. Step 6: Final answer
    x = 18,944.40

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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.