Home / 34,471.76-47,565.96-20,325.20

Finding the Fourth Proportional to 34,471.76, 47,565.96 and 20,325.20

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Solution

The fourth proportional to 34,471.76, 47,565.96 and 20,325.20 is: 28,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,471.76 : 47,565.96 = 20,325.20 : x
  2. Step 2: Convert to fraction form
    34,471.76/47,565.96 = 20,325.20/x
  3. Step 3: Cross multiply
    34,471.76x = 47,565.96 × 20,325.20
  4. Step 4: Simplify right side
    34,471.76x = 966,787,650.19
  5. Step 5: Solve for x
    x = 966,787,650.19/34,471.76
  6. Step 6: Final answer
    x = 28,045.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.