Home / 39,948.30-55,122.23-22,718.85

Finding the Fourth Proportional to 39,948.30, 55,122.23 and 22,718.85

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Solution

The fourth proportional to 39,948.30, 55,122.23 and 22,718.85 is: 31,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.30 : 55,122.23 = 22,718.85 : x
  2. Step 2: Convert to fraction form
    39,948.30/55,122.23 = 22,718.85/x
  3. Step 3: Cross multiply
    39,948.30x = 55,122.23 × 22,718.85
  4. Step 4: Simplify right side
    39,948.30x = 1,252,313,525.12
  5. Step 5: Solve for x
    x = 1,252,313,525.12/39,948.30
  6. Step 6: Final answer
    x = 31,348.36

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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.