Home / 42,719.96-58,958.62-31,393.32

Finding the Fourth Proportional to 42,719.96, 58,958.62 and 31,393.32

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Solution

The fourth proportional to 42,719.96, 58,958.62 and 31,393.32 is: 43,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,719.96 : 58,958.62 = 31,393.32 : x
  2. Step 2: Convert to fraction form
    42,719.96/58,958.62 = 31,393.32/x
  3. Step 3: Cross multiply
    42,719.96x = 58,958.62 × 31,393.32
  4. Step 4: Simplify right side
    42,719.96x = 1,850,906,745.94
  5. Step 5: Solve for x
    x = 1,850,906,745.94/42,719.96
  6. Step 6: Final answer
    x = 43,326.51

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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.