Home / 29,144.72-40,218.18-17,203.70

Finding the Fourth Proportional to 29,144.72, 40,218.18 and 17,203.70

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Solution

The fourth proportional to 29,144.72, 40,218.18 and 17,203.70 is: 23,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,144.72 : 40,218.18 = 17,203.70 : x
  2. Step 2: Convert to fraction form
    29,144.72/40,218.18 = 17,203.70/x
  3. Step 3: Cross multiply
    29,144.72x = 40,218.18 × 17,203.70
  4. Step 4: Simplify right side
    29,144.72x = 691,901,503.27
  5. Step 5: Solve for x
    x = 691,901,503.27/29,144.72
  6. Step 6: Final answer
    x = 23,740.20

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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.