Home / 55,249.40-76,241.52-31,372.92

Finding the Fourth Proportional to 55,249.40, 76,241.52 and 31,372.92

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Solution

The fourth proportional to 55,249.40, 76,241.52 and 31,372.92 is: 43,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.40 : 76,241.52 = 31,372.92 : x
  2. Step 2: Convert to fraction form
    55,249.40/76,241.52 = 31,372.92/x
  3. Step 3: Cross multiply
    55,249.40x = 76,241.52 × 31,372.92
  4. Step 4: Simplify right side
    55,249.40x = 2,391,919,107.64
  5. Step 5: Solve for x
    x = 2,391,919,107.64/55,249.40
  6. Step 6: Final answer
    x = 43,293.12

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1.5x scale

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.