Home / 47,718.65-71,555.49-17,712.09

Finding the Fourth Proportional to 47,718.65, 71,555.49 and 17,712.09

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Solution

The fourth proportional to 47,718.65, 71,555.49 and 17,712.09 is: 26,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.65 : 71,555.49 = 17,712.09 : x
  2. Step 2: Convert to fraction form
    47,718.65/71,555.49 = 17,712.09/x
  3. Step 3: Cross multiply
    47,718.65x = 71,555.49 × 17,712.09
  4. Step 4: Simplify right side
    47,718.65x = 1,267,397,278.87
  5. Step 5: Solve for x
    x = 1,267,397,278.87/47,718.65
  6. Step 6: Final answer
    x = 26,559.79

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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.