Home / 39,943.04-55,123.18-22,952.78

Finding the Fourth Proportional to 39,943.04, 55,123.18 and 22,952.78

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Solution

The fourth proportional to 39,943.04, 55,123.18 and 22,952.78 is: 31,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.04 : 55,123.18 = 22,952.78 : x
  2. Step 2: Convert to fraction form
    39,943.04/55,123.18 = 22,952.78/x
  3. Step 3: Cross multiply
    39,943.04x = 55,123.18 × 22,952.78
  4. Step 4: Simplify right side
    39,943.04x = 1,265,230,223.44
  5. Step 5: Solve for x
    x = 1,265,230,223.44/39,943.04
  6. Step 6: Final answer
    x = 31,675.86

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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.