Home / 39,449.97-59,162.18-13,147.65

Finding the Fourth Proportional to 39,449.97, 59,162.18 and 13,147.65

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Solution

The fourth proportional to 39,449.97, 59,162.18 and 13,147.65 is: 19,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.97 : 59,162.18 = 13,147.65 : x
  2. Step 2: Convert to fraction form
    39,449.97/59,162.18 = 13,147.65/x
  3. Step 3: Cross multiply
    39,449.97x = 59,162.18 × 13,147.65
  4. Step 4: Simplify right side
    39,449.97x = 777,843,570.14
  5. Step 5: Solve for x
    x = 777,843,570.14/39,449.97
  6. Step 6: Final answer
    x = 19,717.22

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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.