Home / 74,944.89-112,339.22-30,553.29

Finding the Fourth Proportional to 74,944.89, 112,339.22 and 30,553.29

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Solution

The fourth proportional to 74,944.89, 112,339.22 and 30,553.29 is: 45,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.89 : 112,339.22 = 30,553.29 : x
  2. Step 2: Convert to fraction form
    74,944.89/112,339.22 = 30,553.29/x
  3. Step 3: Cross multiply
    74,944.89x = 112,339.22 × 30,553.29
  4. Step 4: Simplify right side
    74,944.89x = 3,432,332,614.27
  5. Step 5: Solve for x
    x = 3,432,332,614.27/74,944.89
  6. Step 6: Final answer
    x = 45,798.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.