Home / 36,294.75-54,442.26-12,921.12

Finding the Fourth Proportional to 36,294.75, 54,442.26 and 12,921.12

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Solution

The fourth proportional to 36,294.75, 54,442.26 and 12,921.12 is: 19,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.75 : 54,442.26 = 12,921.12 : x
  2. Step 2: Convert to fraction form
    36,294.75/54,442.26 = 12,921.12/x
  3. Step 3: Cross multiply
    36,294.75x = 54,442.26 × 12,921.12
  4. Step 4: Simplify right side
    36,294.75x = 703,454,974.53
  5. Step 5: Solve for x
    x = 703,454,974.53/36,294.75
  6. Step 6: Final answer
    x = 19,381.73

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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.