Home / 36,422.97-54,643.85-19,778.73

Finding the Fourth Proportional to 36,422.97, 54,643.85 and 19,778.73

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Solution

The fourth proportional to 36,422.97, 54,643.85 and 19,778.73 is: 29,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,422.97 : 54,643.85 = 19,778.73 : x
  2. Step 2: Convert to fraction form
    36,422.97/54,643.85 = 19,778.73/x
  3. Step 3: Cross multiply
    36,422.97x = 54,643.85 × 19,778.73
  4. Step 4: Simplify right side
    36,422.97x = 1,080,785,856.42
  5. Step 5: Solve for x
    x = 1,080,785,856.42/36,422.97
  6. Step 6: Final answer
    x = 29,673.19

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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.