Home / 34,469.28-47,565.98-20,129.84

Finding the Fourth Proportional to 34,469.28, 47,565.98 and 20,129.84

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Solution

The fourth proportional to 34,469.28, 47,565.98 and 20,129.84 is: 27,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,469.28 : 47,565.98 = 20,129.84 : x
  2. Step 2: Convert to fraction form
    34,469.28/47,565.98 = 20,129.84/x
  3. Step 3: Cross multiply
    34,469.28x = 47,565.98 × 20,129.84
  4. Step 4: Simplify right side
    34,469.28x = 957,495,566.84
  5. Step 5: Solve for x
    x = 957,495,566.84/34,469.28
  6. Step 6: Final answer
    x = 27,778.23

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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.