Home / 40,479.80-55,863.12-22,574.66

Finding the Fourth Proportional to 40,479.80, 55,863.12 and 22,574.66

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Solution

The fourth proportional to 40,479.80, 55,863.12 and 22,574.66 is: 31,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.80 : 55,863.12 = 22,574.66 : x
  2. Step 2: Convert to fraction form
    40,479.80/55,863.12 = 22,574.66/x
  3. Step 3: Cross multiply
    40,479.80x = 55,863.12 × 22,574.66
  4. Step 4: Simplify right side
    40,479.80x = 1,261,090,940.54
  5. Step 5: Solve for x
    x = 1,261,090,940.54/40,479.80
  6. Step 6: Final answer
    x = 31,153.59

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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.