Home / 29,131.30-40,198.12-17,803.55

Finding the Fourth Proportional to 29,131.30, 40,198.12 and 17,803.55

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Solution

The fourth proportional to 29,131.30, 40,198.12 and 17,803.55 is: 24,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.30 : 40,198.12 = 17,803.55 : x
  2. Step 2: Convert to fraction form
    29,131.30/40,198.12 = 17,803.55/x
  3. Step 3: Cross multiply
    29,131.30x = 40,198.12 × 17,803.55
  4. Step 4: Simplify right side
    29,131.30x = 715,669,169.34
  5. Step 5: Solve for x
    x = 715,669,169.34/29,131.30
  6. Step 6: Final answer
    x = 24,567.02

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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.