Home / 54,103.88-74,663.20-30,230.57

Finding the Fourth Proportional to 54,103.88, 74,663.20 and 30,230.57

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Solution

The fourth proportional to 54,103.88, 74,663.20 and 30,230.57 is: 41,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.88 : 74,663.20 = 30,230.57 : x
  2. Step 2: Convert to fraction form
    54,103.88/74,663.20 = 30,230.57/x
  3. Step 3: Cross multiply
    54,103.88x = 74,663.20 × 30,230.57
  4. Step 4: Simplify right side
    54,103.88x = 2,257,111,008.43
  5. Step 5: Solve for x
    x = 2,257,111,008.43/54,103.88
  6. Step 6: Final answer
    x = 41,718.10

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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.