Home / 79,613.15-119,423.97-20,449.26

Finding the Fourth Proportional to 79,613.15, 119,423.97 and 20,449.26

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Solution

The fourth proportional to 79,613.15, 119,423.97 and 20,449.26 is: 30,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,613.15 : 119,423.97 = 20,449.26 : x
  2. Step 2: Convert to fraction form
    79,613.15/119,423.97 = 20,449.26/x
  3. Step 3: Cross multiply
    79,613.15x = 119,423.97 × 20,449.26
  4. Step 4: Simplify right side
    79,613.15x = 2,442,131,812.76
  5. Step 5: Solve for x
    x = 2,442,131,812.76/79,613.15
  6. Step 6: Final answer
    x = 30,674.98

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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.