Home / 39,965.30-55,151.02-22,059

Finding the Fourth Proportional to 39,965.30, 55,151.02 and 22,059

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Solution

The fourth proportional to 39,965.30, 55,151.02 and 22,059 is: 30,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.30 : 55,151.02 = 22,059 : x
  2. Step 2: Convert to fraction form
    39,965.30/55,151.02 = 22,059/x
  3. Step 3: Cross multiply
    39,965.30x = 55,151.02 × 22,059
  4. Step 4: Simplify right side
    39,965.30x = 1,216,576,350.18
  5. Step 5: Solve for x
    x = 1,216,576,350.18/39,965.30
  6. Step 6: Final answer
    x = 30,440.82

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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.