Home / 54,121.72-74,688.45-29,922.29

Finding the Fourth Proportional to 54,121.72, 74,688.45 and 29,922.29

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Solution

The fourth proportional to 54,121.72, 74,688.45 and 29,922.29 is: 41,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.72 : 74,688.45 = 29,922.29 : x
  2. Step 2: Convert to fraction form
    54,121.72/74,688.45 = 29,922.29/x
  3. Step 3: Cross multiply
    54,121.72x = 74,688.45 × 29,922.29
  4. Step 4: Simplify right side
    54,121.72x = 2,234,849,675.10
  5. Step 5: Solve for x
    x = 2,234,849,675.10/54,121.72
  6. Step 6: Final answer
    x = 41,293.03

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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.