Home / 36,251.26-54,381.39-12,877.90

Finding the Fourth Proportional to 36,251.26, 54,381.39 and 12,877.90

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Solution

The fourth proportional to 36,251.26, 54,381.39 and 12,877.90 is: 19,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,251.26 : 54,381.39 = 12,877.90 : x
  2. Step 2: Convert to fraction form
    36,251.26/54,381.39 = 12,877.90/x
  3. Step 3: Cross multiply
    36,251.26x = 54,381.39 × 12,877.90
  4. Step 4: Simplify right side
    36,251.26x = 700,318,102.28
  5. Step 5: Solve for x
    x = 700,318,102.28/36,251.26
  6. Step 6: Final answer
    x = 19,318.45

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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.