Home / 31,882.89-47,830.82-11,120.97

Finding the Fourth Proportional to 31,882.89, 47,830.82 and 11,120.97

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Solution

The fourth proportional to 31,882.89, 47,830.82 and 11,120.97 is: 16,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,882.89 : 47,830.82 = 11,120.97 : x
  2. Step 2: Convert to fraction form
    31,882.89/47,830.82 = 11,120.97/x
  3. Step 3: Cross multiply
    31,882.89x = 47,830.82 × 11,120.97
  4. Step 4: Simplify right side
    31,882.89x = 531,925,058.69
  5. Step 5: Solve for x
    x = 531,925,058.69/31,882.89
  6. Step 6: Final answer
    x = 16,683.72

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1.5x scale

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.