Home / 40,755.21-61,042.49-31,325.79

Finding the Fourth Proportional to 40,755.21, 61,042.49 and 31,325.79

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Solution

The fourth proportional to 40,755.21, 61,042.49 and 31,325.79 is: 46,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.21 : 61,042.49 = 31,325.79 : x
  2. Step 2: Convert to fraction form
    40,755.21/61,042.49 = 31,325.79/x
  3. Step 3: Cross multiply
    40,755.21x = 61,042.49 × 31,325.79
  4. Step 4: Simplify right side
    40,755.21x = 1,912,204,222.82
  5. Step 5: Solve for x
    x = 1,912,204,222.82/40,755.21
  6. Step 6: Final answer
    x = 46,919.26

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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.