Home / 40,037.60-60,066.24-13,742.72

Finding the Fourth Proportional to 40,037.60, 60,066.24 and 13,742.72

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Solution

The fourth proportional to 40,037.60, 60,066.24 and 13,742.72 is: 20,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.60 : 60,066.24 = 13,742.72 : x
  2. Step 2: Convert to fraction form
    40,037.60/60,066.24 = 13,742.72/x
  3. Step 3: Cross multiply
    40,037.60x = 60,066.24 × 13,742.72
  4. Step 4: Simplify right side
    40,037.60x = 825,473,517.77
  5. Step 5: Solve for x
    x = 825,473,517.77/40,037.60
  6. Step 6: Final answer
    x = 20,617.46

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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.