Home / 20,348.89-30,523.03-5,557.76

Finding the Fourth Proportional to 20,348.89, 30,523.03 and 5,557.76

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Solution

The fourth proportional to 20,348.89, 30,523.03 and 5,557.76 is: 8,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.89 : 30,523.03 = 5,557.76 : x
  2. Step 2: Convert to fraction form
    20,348.89/30,523.03 = 5,557.76/x
  3. Step 3: Cross multiply
    20,348.89x = 30,523.03 × 5,557.76
  4. Step 4: Simplify right side
    20,348.89x = 169,639,794.86
  5. Step 5: Solve for x
    x = 169,639,794.86/20,348.89
  6. Step 6: Final answer
    x = 8,336.56

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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.