Home / 29,680.30-40,958.80-16,251.55

Finding the Fourth Proportional to 29,680.30, 40,958.80 and 16,251.55

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Solution

The fourth proportional to 29,680.30, 40,958.80 and 16,251.55 is: 22,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.30 : 40,958.80 = 16,251.55 : x
  2. Step 2: Convert to fraction form
    29,680.30/40,958.80 = 16,251.55/x
  3. Step 3: Cross multiply
    29,680.30x = 40,958.80 × 16,251.55
  4. Step 4: Simplify right side
    29,680.30x = 665,643,934.53
  5. Step 5: Solve for x
    x = 665,643,934.53/29,680.30
  6. Step 6: Final answer
    x = 22,427.13

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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.