Home / 31,974.18-44,144.91-20,648.76

Finding the Fourth Proportional to 31,974.18, 44,144.91 and 20,648.76

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Solution

The fourth proportional to 31,974.18, 44,144.91 and 20,648.76 is: 28,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.18 : 44,144.91 = 20,648.76 : x
  2. Step 2: Convert to fraction form
    31,974.18/44,144.91 = 20,648.76/x
  3. Step 3: Cross multiply
    31,974.18x = 44,144.91 × 20,648.76
  4. Step 4: Simplify right side
    31,974.18x = 911,537,651.81
  5. Step 5: Solve for x
    x = 911,537,651.81/31,974.18
  6. Step 6: Final answer
    x = 28,508.55

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Double scale
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1.5x scale

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.