Home / 40,488.24-55,872.36-25,389

Finding the Fourth Proportional to 40,488.24, 55,872.36 and 25,389

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Solution

The fourth proportional to 40,488.24, 55,872.36 and 25,389 is: 35,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.24 : 55,872.36 = 25,389 : x
  2. Step 2: Convert to fraction form
    40,488.24/55,872.36 = 25,389/x
  3. Step 3: Cross multiply
    40,488.24x = 55,872.36 × 25,389
  4. Step 4: Simplify right side
    40,488.24x = 1,418,543,348.04
  5. Step 5: Solve for x
    x = 1,418,543,348.04/40,488.24
  6. Step 6: Final answer
    x = 35,035.94

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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.