Home / 29,613.50-40,854.42-20,666.19

Finding the Fourth Proportional to 29,613.50, 40,854.42 and 20,666.19

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Solution

The fourth proportional to 29,613.50, 40,854.42 and 20,666.19 is: 28,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,613.50 : 40,854.42 = 20,666.19 : x
  2. Step 2: Convert to fraction form
    29,613.50/40,854.42 = 20,666.19/x
  3. Step 3: Cross multiply
    29,613.50x = 40,854.42 × 20,666.19
  4. Step 4: Simplify right side
    29,613.50x = 844,305,204.86
  5. Step 5: Solve for x
    x = 844,305,204.86/29,613.50
  6. Step 6: Final answer
    x = 28,510.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.