Home / 31,950.24-44,078.76-21,346.80

Finding the Fourth Proportional to 31,950.24, 44,078.76 and 21,346.80

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Solution

The fourth proportional to 31,950.24, 44,078.76 and 21,346.80 is: 29,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,950.24 : 44,078.76 = 21,346.80 : x
  2. Step 2: Convert to fraction form
    31,950.24/44,078.76 = 21,346.80/x
  3. Step 3: Cross multiply
    31,950.24x = 44,078.76 × 21,346.80
  4. Step 4: Simplify right side
    31,950.24x = 940,940,473.97
  5. Step 5: Solve for x
    x = 940,940,473.97/31,950.24
  6. Step 6: Final answer
    x = 29,450.18

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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.