Home / 36,333.11-54,402.60-21,327.78

Finding the Fourth Proportional to 36,333.11, 54,402.60 and 21,327.78

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Solution

The fourth proportional to 36,333.11, 54,402.60 and 21,327.78 is: 31,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.11 : 54,402.60 = 21,327.78 : x
  2. Step 2: Convert to fraction form
    36,333.11/54,402.60 = 21,327.78/x
  3. Step 3: Cross multiply
    36,333.11x = 54,402.60 × 21,327.78
  4. Step 4: Simplify right side
    36,333.11x = 1,160,286,684.23
  5. Step 5: Solve for x
    x = 1,160,286,684.23/36,333.11
  6. Step 6: Final answer
    x = 31,934.70

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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.