Home / 20,232.79-30,349.13-5,441.72

Finding the Fourth Proportional to 20,232.79, 30,349.13 and 5,441.72

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Solution

The fourth proportional to 20,232.79, 30,349.13 and 5,441.72 is: 8,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.79 : 30,349.13 = 5,441.72 : x
  2. Step 2: Convert to fraction form
    20,232.79/30,349.13 = 5,441.72/x
  3. Step 3: Cross multiply
    20,232.79x = 30,349.13 × 5,441.72
  4. Step 4: Simplify right side
    20,232.79x = 165,151,288.75
  5. Step 5: Solve for x
    x = 165,151,288.75/20,232.79
  6. Step 6: Final answer
    x = 8,162.56

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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.