Home / 49,574.24-68,448-30,479.66

Finding the Fourth Proportional to 49,574.24, 68,448 and 30,479.66

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Solution

The fourth proportional to 49,574.24, 68,448 and 30,479.66 is: 42,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,574.24 : 68,448 = 30,479.66 : x
  2. Step 2: Convert to fraction form
    49,574.24/68,448 = 30,479.66/x
  3. Step 3: Cross multiply
    49,574.24x = 68,448 × 30,479.66
  4. Step 4: Simplify right side
    49,574.24x = 2,086,271,767.68
  5. Step 5: Solve for x
    x = 2,086,271,767.68/49,574.24
  6. Step 6: Final answer
    x = 42,083.79

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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.