Home / 36,229.80-54,350.10-12,854.28

Finding the Fourth Proportional to 36,229.80, 54,350.10 and 12,854.28

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Solution

The fourth proportional to 36,229.80, 54,350.10 and 12,854.28 is: 19,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.80 : 54,350.10 = 12,854.28 : x
  2. Step 2: Convert to fraction form
    36,229.80/54,350.10 = 12,854.28/x
  3. Step 3: Cross multiply
    36,229.80x = 54,350.10 × 12,854.28
  4. Step 4: Simplify right side
    36,229.80x = 698,631,403.43
  5. Step 5: Solve for x
    x = 698,631,403.43/36,229.80
  6. Step 6: Final answer
    x = 19,283.34

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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.