Home / 54,122.31-74,688.57-30,248.96

Finding the Fourth Proportional to 54,122.31, 74,688.57 and 30,248.96

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Solution

The fourth proportional to 54,122.31, 74,688.57 and 30,248.96 is: 41,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.31 : 74,688.57 = 30,248.96 : x
  2. Step 2: Convert to fraction form
    54,122.31/74,688.57 = 30,248.96/x
  3. Step 3: Cross multiply
    54,122.31x = 74,688.57 × 30,248.96
  4. Step 4: Simplify right side
    54,122.31x = 2,259,251,192.94
  5. Step 5: Solve for x
    x = 2,259,251,192.94/54,122.31
  6. Step 6: Final answer
    x = 41,743.44

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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.