Home / 40,834.20-61,251.30-13,132.20

Finding the Fourth Proportional to 40,834.20, 61,251.30 and 13,132.20

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Solution

The fourth proportional to 40,834.20, 61,251.30 and 13,132.20 is: 19,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,834.20 : 61,251.30 = 13,132.20 : x
  2. Step 2: Convert to fraction form
    40,834.20/61,251.30 = 13,132.20/x
  3. Step 3: Cross multiply
    40,834.20x = 61,251.30 × 13,132.20
  4. Step 4: Simplify right side
    40,834.20x = 804,364,321.86
  5. Step 5: Solve for x
    x = 804,364,321.86/40,834.20
  6. Step 6: Final answer
    x = 19,698.30

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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.