Home / 54,233.78-74,842.04-30,360.65

Finding the Fourth Proportional to 54,233.78, 74,842.04 and 30,360.65

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Solution

The fourth proportional to 54,233.78, 74,842.04 and 30,360.65 is: 41,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,233.78 : 74,842.04 = 30,360.65 : x
  2. Step 2: Convert to fraction form
    54,233.78/74,842.04 = 30,360.65/x
  3. Step 3: Cross multiply
    54,233.78x = 74,842.04 × 30,360.65
  4. Step 4: Simplify right side
    54,233.78x = 2,272,252,455.71
  5. Step 5: Solve for x
    x = 2,272,252,455.71/54,233.78
  6. Step 6: Final answer
    x = 41,897.37

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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.