Home / 36,185.68-54,282.17-12,490.08

Finding the Fourth Proportional to 36,185.68, 54,282.17 and 12,490.08

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Solution

The fourth proportional to 36,185.68, 54,282.17 and 12,490.08 is: 18,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,185.68 : 54,282.17 = 12,490.08 : x
  2. Step 2: Convert to fraction form
    36,185.68/54,282.17 = 12,490.08/x
  3. Step 3: Cross multiply
    36,185.68x = 54,282.17 × 12,490.08
  4. Step 4: Simplify right side
    36,185.68x = 677,988,645.87
  5. Step 5: Solve for x
    x = 677,988,645.87/36,185.68
  6. Step 6: Final answer
    x = 18,736.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.