Home / 40,021.80-55,160.56-29,249.04

Finding the Fourth Proportional to 40,021.80, 55,160.56 and 29,249.04

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Solution

The fourth proportional to 40,021.80, 55,160.56 and 29,249.04 is: 40,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.80 : 55,160.56 = 29,249.04 : x
  2. Step 2: Convert to fraction form
    40,021.80/55,160.56 = 29,249.04/x
  3. Step 3: Cross multiply
    40,021.80x = 55,160.56 × 29,249.04
  4. Step 4: Simplify right side
    40,021.80x = 1,613,393,425.86
  5. Step 5: Solve for x
    x = 1,613,393,425.86/40,021.80
  6. Step 6: Final answer
    x = 40,312.87

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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.