Home / 40,383.60-60,542.28-18,190.32

Finding the Fourth Proportional to 40,383.60, 60,542.28 and 18,190.32

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Solution

The fourth proportional to 40,383.60, 60,542.28 and 18,190.32 is: 27,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.60 : 60,542.28 = 18,190.32 : x
  2. Step 2: Convert to fraction form
    40,383.60/60,542.28 = 18,190.32/x
  3. Step 3: Cross multiply
    40,383.60x = 60,542.28 × 18,190.32
  4. Step 4: Simplify right side
    40,383.60x = 1,101,283,446.73
  5. Step 5: Solve for x
    x = 1,101,283,446.73/40,383.60
  6. Step 6: Final answer
    x = 27,270.56

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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.