Home / 56,881.32-78,498.36-31,735.68

Finding the Fourth Proportional to 56,881.32, 78,498.36 and 31,735.68

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Solution

The fourth proportional to 56,881.32, 78,498.36 and 31,735.68 is: 43,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881.32 : 78,498.36 = 31,735.68 : x
  2. Step 2: Convert to fraction form
    56,881.32/78,498.36 = 31,735.68/x
  3. Step 3: Cross multiply
    56,881.32x = 78,498.36 × 31,735.68
  4. Step 4: Simplify right side
    56,881.32x = 2,491,198,833.48
  5. Step 5: Solve for x
    x = 2,491,198,833.48/56,881.32
  6. Step 6: Final answer
    x = 43,796.43

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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.