Home / 63,742.40-95,613.60-40,395.20

Finding the Fourth Proportional to 63,742.40, 95,613.60 and 40,395.20

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Solution

The fourth proportional to 63,742.40, 95,613.60 and 40,395.20 is: 60,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.40 : 95,613.60 = 40,395.20 : x
  2. Step 2: Convert to fraction form
    63,742.40/95,613.60 = 40,395.20/x
  3. Step 3: Cross multiply
    63,742.40x = 95,613.60 × 40,395.20
  4. Step 4: Simplify right side
    63,742.40x = 3,862,330,494.72
  5. Step 5: Solve for x
    x = 3,862,330,494.72/63,742.40
  6. Step 6: Final answer
    x = 60,592.80

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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.