Home / 29,121.12-40,185.72-16,549.92

Finding the Fourth Proportional to 29,121.12, 40,185.72 and 16,549.92

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Solution

The fourth proportional to 29,121.12, 40,185.72 and 16,549.92 is: 22,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.12 : 40,185.72 = 16,549.92 : x
  2. Step 2: Convert to fraction form
    29,121.12/40,185.72 = 16,549.92/x
  3. Step 3: Cross multiply
    29,121.12x = 40,185.72 × 16,549.92
  4. Step 4: Simplify right side
    29,121.12x = 665,070,451.14
  5. Step 5: Solve for x
    x = 665,070,451.14/29,121.12
  6. Step 6: Final answer
    x = 22,838.08

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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.