Home / 36,023.10-54,034.65-20,211.90

Finding the Fourth Proportional to 36,023.10, 54,034.65 and 20,211.90

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Solution

The fourth proportional to 36,023.10, 54,034.65 and 20,211.90 is: 30,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,023.10 : 54,034.65 = 20,211.90 : x
  2. Step 2: Convert to fraction form
    36,023.10/54,034.65 = 20,211.90/x
  3. Step 3: Cross multiply
    36,023.10x = 54,034.65 × 20,211.90
  4. Step 4: Simplify right side
    36,023.10x = 1,092,142,942.34
  5. Step 5: Solve for x
    x = 1,092,142,942.34/36,023.10
  6. Step 6: Final answer
    x = 30,317.85

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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.