Home / 31,879.65-44,002.37-22,452.45

Finding the Fourth Proportional to 31,879.65, 44,002.37 and 22,452.45

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Solution

The fourth proportional to 31,879.65, 44,002.37 and 22,452.45 is: 30,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,879.65 : 44,002.37 = 22,452.45 : x
  2. Step 2: Convert to fraction form
    31,879.65/44,002.37 = 22,452.45/x
  3. Step 3: Cross multiply
    31,879.65x = 44,002.37 × 22,452.45
  4. Step 4: Simplify right side
    31,879.65x = 987,960,900.04
  5. Step 5: Solve for x
    x = 987,960,900.04/31,879.65
  6. Step 6: Final answer
    x = 30,990.33

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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.