Home / 54,105.11-74,663.66-30,231.93

Finding the Fourth Proportional to 54,105.11, 74,663.66 and 30,231.93

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Solution

The fourth proportional to 54,105.11, 74,663.66 and 30,231.93 is: 41,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,105.11 : 74,663.66 = 30,231.93 : x
  2. Step 2: Convert to fraction form
    54,105.11/74,663.66 = 30,231.93/x
  3. Step 3: Cross multiply
    54,105.11x = 74,663.66 × 30,231.93
  4. Step 4: Simplify right side
    54,105.11x = 2,257,226,391.50
  5. Step 5: Solve for x
    x = 2,257,226,391.50/54,105.11
  6. Step 6: Final answer
    x = 41,719.29

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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.