Home / 56,793.78-78,375.96-31,301.07

Finding the Fourth Proportional to 56,793.78, 78,375.96 and 31,301.07

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Solution

The fourth proportional to 56,793.78, 78,375.96 and 31,301.07 is: 43,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793.78 : 78,375.96 = 31,301.07 : x
  2. Step 2: Convert to fraction form
    56,793.78/78,375.96 = 31,301.07/x
  3. Step 3: Cross multiply
    56,793.78x = 78,375.96 × 31,301.07
  4. Step 4: Simplify right side
    56,793.78x = 2,453,251,410.28
  5. Step 5: Solve for x
    x = 2,453,251,410.28/56,793.78
  6. Step 6: Final answer
    x = 43,195.78

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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.