Home / 31,769.62-47,728.90-29,974.32

Finding the Fourth Proportional to 31,769.62, 47,728.90 and 29,974.32

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Solution

The fourth proportional to 31,769.62, 47,728.90 and 29,974.32 is: 45,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.62 : 47,728.90 = 29,974.32 : x
  2. Step 2: Convert to fraction form
    31,769.62/47,728.90 = 29,974.32/x
  3. Step 3: Cross multiply
    31,769.62x = 47,728.90 × 29,974.32
  4. Step 4: Simplify right side
    31,769.62x = 1,430,641,246.91
  5. Step 5: Solve for x
    x = 1,430,641,246.91/31,769.62
  6. Step 6: Final answer
    x = 45,031.74

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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.