Home / 41,400.45-57,023.79-31,822.02

Finding the Fourth Proportional to 41,400.45, 57,023.79 and 31,822.02

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Solution

The fourth proportional to 41,400.45, 57,023.79 and 31,822.02 is: 43,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,400.45 : 57,023.79 = 31,822.02 : x
  2. Step 2: Convert to fraction form
    41,400.45/57,023.79 = 31,822.02/x
  3. Step 3: Cross multiply
    41,400.45x = 57,023.79 × 31,822.02
  4. Step 4: Simplify right side
    41,400.45x = 1,814,612,185.86
  5. Step 5: Solve for x
    x = 1,814,612,185.86/41,400.45
  6. Step 6: Final answer
    x = 43,830.74

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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.