Home / 36,173.88-54,264.30-13,986.78

Finding the Fourth Proportional to 36,173.88, 54,264.30 and 13,986.78

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Solution

The fourth proportional to 36,173.88, 54,264.30 and 13,986.78 is: 20,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,173.88 : 54,264.30 = 13,986.78 : x
  2. Step 2: Convert to fraction form
    36,173.88/54,264.30 = 13,986.78/x
  3. Step 3: Cross multiply
    36,173.88x = 54,264.30 × 13,986.78
  4. Step 4: Simplify right side
    36,173.88x = 758,982,825.95
  5. Step 5: Solve for x
    x = 758,982,825.95/36,173.88
  6. Step 6: Final answer
    x = 20,981.52

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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.