Home / 34,694.28-47,874.51-19,587.78

Finding the Fourth Proportional to 34,694.28, 47,874.51 and 19,587.78

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Solution

The fourth proportional to 34,694.28, 47,874.51 and 19,587.78 is: 27,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.28 : 47,874.51 = 19,587.78 : x
  2. Step 2: Convert to fraction form
    34,694.28/47,874.51 = 19,587.78/x
  3. Step 3: Cross multiply
    34,694.28x = 47,874.51 × 19,587.78
  4. Step 4: Simplify right side
    34,694.28x = 937,755,369.49
  5. Step 5: Solve for x
    x = 937,755,369.49/34,694.28
  6. Step 6: Final answer
    x = 27,029.11

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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.