Home / 34,121.92-47,072.16-19,966.08

Finding the Fourth Proportional to 34,121.92, 47,072.16 and 19,966.08

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Solution

The fourth proportional to 34,121.92, 47,072.16 and 19,966.08 is: 27,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.92 : 47,072.16 = 19,966.08 : x
  2. Step 2: Convert to fraction form
    34,121.92/47,072.16 = 19,966.08/x
  3. Step 3: Cross multiply
    34,121.92x = 47,072.16 × 19,966.08
  4. Step 4: Simplify right side
    34,121.92x = 939,846,512.33
  5. Step 5: Solve for x
    x = 939,846,512.33/34,121.92
  6. Step 6: Final answer
    x = 27,543.78

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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.