Home / 36,191.28-54,278.34-20,403.30

Finding the Fourth Proportional to 36,191.28, 54,278.34 and 20,403.30

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Solution

The fourth proportional to 36,191.28, 54,278.34 and 20,403.30 is: 30,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.28 : 54,278.34 = 20,403.30 : x
  2. Step 2: Convert to fraction form
    36,191.28/54,278.34 = 20,403.30/x
  3. Step 3: Cross multiply
    36,191.28x = 54,278.34 × 20,403.30
  4. Step 4: Simplify right side
    36,191.28x = 1,107,457,254.52
  5. Step 5: Solve for x
    x = 1,107,457,254.52/36,191.28
  6. Step 6: Final answer
    x = 30,600.11

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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.