Home / 34,179.12-47,168.31-19,837.87

Finding the Fourth Proportional to 34,179.12, 47,168.31 and 19,837.87

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Solution

The fourth proportional to 34,179.12, 47,168.31 and 19,837.87 is: 27,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.12 : 47,168.31 = 19,837.87 : x
  2. Step 2: Convert to fraction form
    34,179.12/47,168.31 = 19,837.87/x
  3. Step 3: Cross multiply
    34,179.12x = 47,168.31 × 19,837.87
  4. Step 4: Simplify right side
    34,179.12x = 935,718,801.90
  5. Step 5: Solve for x
    x = 935,718,801.90/34,179.12
  6. Step 6: Final answer
    x = 27,376.91

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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.