Home / 29,078.55-40,132.80-17,754.66

Finding the Fourth Proportional to 29,078.55, 40,132.80 and 17,754.66

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Solution

The fourth proportional to 29,078.55, 40,132.80 and 17,754.66 is: 24,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.55 : 40,132.80 = 17,754.66 : x
  2. Step 2: Convert to fraction form
    29,078.55/40,132.80 = 17,754.66/x
  3. Step 3: Cross multiply
    29,078.55x = 40,132.80 × 17,754.66
  4. Step 4: Simplify right side
    29,078.55x = 712,544,218.85
  5. Step 5: Solve for x
    x = 712,544,218.85/29,078.55
  6. Step 6: Final answer
    x = 24,504.12

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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.