Home / 54,359.86-74,982.09-39,274.69

Finding the Fourth Proportional to 54,359.86, 74,982.09 and 39,274.69

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Solution

The fourth proportional to 54,359.86, 74,982.09 and 39,274.69 is: 54,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,359.86 : 74,982.09 = 39,274.69 : x
  2. Step 2: Convert to fraction form
    54,359.86/74,982.09 = 39,274.69/x
  3. Step 3: Cross multiply
    54,359.86x = 74,982.09 × 39,274.69
  4. Step 4: Simplify right side
    54,359.86x = 2,944,898,340.30
  5. Step 5: Solve for x
    x = 2,944,898,340.30/54,359.86
  6. Step 6: Final answer
    x = 54,174.13

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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.