Home / 54,320.17-74,960.49-30,121.23

Finding the Fourth Proportional to 54,320.17, 74,960.49 and 30,121.23

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Solution

The fourth proportional to 54,320.17, 74,960.49 and 30,121.23 is: 41,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.17 : 74,960.49 = 30,121.23 : x
  2. Step 2: Convert to fraction form
    54,320.17/74,960.49 = 30,121.23/x
  3. Step 3: Cross multiply
    54,320.17x = 74,960.49 × 30,121.23
  4. Step 4: Simplify right side
    54,320.17x = 2,257,902,160.20
  5. Step 5: Solve for x
    x = 2,257,902,160.20/54,320.17
  6. Step 6: Final answer
    x = 41,566.55

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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.