Home / 40,105.14-60,171.68-17,920.86

Finding the Fourth Proportional to 40,105.14, 60,171.68 and 17,920.86

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Solution

The fourth proportional to 40,105.14, 60,171.68 and 17,920.86 is: 26,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.14 : 60,171.68 = 17,920.86 : x
  2. Step 2: Convert to fraction form
    40,105.14/60,171.68 = 17,920.86/x
  3. Step 3: Cross multiply
    40,105.14x = 60,171.68 × 17,920.86
  4. Step 4: Simplify right side
    40,105.14x = 1,078,328,253.24
  5. Step 5: Solve for x
    x = 1,078,328,253.24/40,105.14
  6. Step 6: Final answer
    x = 26,887.53

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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.