Home / 20,232.13-30,350.01-5,440.72

Finding the Fourth Proportional to 20,232.13, 30,350.01 and 5,440.72

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Solution

The fourth proportional to 20,232.13, 30,350.01 and 5,440.72 is: 8,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.13 : 30,350.01 = 5,440.72 : x
  2. Step 2: Convert to fraction form
    20,232.13/30,350.01 = 5,440.72/x
  3. Step 3: Cross multiply
    20,232.13x = 30,350.01 × 5,440.72
  4. Step 4: Simplify right side
    20,232.13x = 165,125,906.41
  5. Step 5: Solve for x
    x = 165,125,906.41/20,232.13
  6. Step 6: Final answer
    x = 8,161.57

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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.