Home / 42,138.14-58,149.25-23,987.75

Finding the Fourth Proportional to 42,138.14, 58,149.25 and 23,987.75

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Solution

The fourth proportional to 42,138.14, 58,149.25 and 23,987.75 is: 33,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.14 : 58,149.25 = 23,987.75 : x
  2. Step 2: Convert to fraction form
    42,138.14/58,149.25 = 23,987.75/x
  3. Step 3: Cross multiply
    42,138.14x = 58,149.25 × 23,987.75
  4. Step 4: Simplify right side
    42,138.14x = 1,394,869,489.64
  5. Step 5: Solve for x
    x = 1,394,869,489.64/42,138.14
  6. Step 6: Final answer
    x = 33,102.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.