Home / 36,209.10-54,313.65-20,657.10

Finding the Fourth Proportional to 36,209.10, 54,313.65 and 20,657.10

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Solution

The fourth proportional to 36,209.10, 54,313.65 and 20,657.10 is: 30,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.10 : 54,313.65 = 20,657.10 : x
  2. Step 2: Convert to fraction form
    36,209.10/54,313.65 = 20,657.10/x
  3. Step 3: Cross multiply
    36,209.10x = 54,313.65 × 20,657.10
  4. Step 4: Simplify right side
    36,209.10x = 1,121,962,499.42
  5. Step 5: Solve for x
    x = 1,121,962,499.42/36,209.10
  6. Step 6: Final answer
    x = 30,985.65

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Similar ratio
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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.