Home / 31,919.61-47,921.85-27,269.52

Finding the Fourth Proportional to 31,919.61, 47,921.85 and 27,269.52

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Solution

The fourth proportional to 31,919.61, 47,921.85 and 27,269.52 is: 40,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.61 : 47,921.85 = 27,269.52 : x
  2. Step 2: Convert to fraction form
    31,919.61/47,921.85 = 27,269.52/x
  3. Step 3: Cross multiply
    31,919.61x = 47,921.85 × 27,269.52
  4. Step 4: Simplify right side
    31,919.61x = 1,306,805,847.01
  5. Step 5: Solve for x
    x = 1,306,805,847.01/31,919.61
  6. Step 6: Final answer
    x = 40,940.53

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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.