Home / 40,917.40-61,394.56-18,433.68

Finding the Fourth Proportional to 40,917.40, 61,394.56 and 18,433.68

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Solution

The fourth proportional to 40,917.40, 61,394.56 and 18,433.68 is: 27,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.40 : 61,394.56 = 18,433.68 : x
  2. Step 2: Convert to fraction form
    40,917.40/61,394.56 = 18,433.68/x
  3. Step 3: Cross multiply
    40,917.40x = 61,394.56 × 18,433.68
  4. Step 4: Simplify right side
    40,917.40x = 1,131,727,396.47
  5. Step 5: Solve for x
    x = 1,131,727,396.47/40,917.40
  6. Step 6: Final answer
    x = 27,658.83

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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.