Home / 39,520.56-54,540.12-22,758.96

Finding the Fourth Proportional to 39,520.56, 54,540.12 and 22,758.96

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Solution

The fourth proportional to 39,520.56, 54,540.12 and 22,758.96 is: 31,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520.56 : 54,540.12 = 22,758.96 : x
  2. Step 2: Convert to fraction form
    39,520.56/54,540.12 = 22,758.96/x
  3. Step 3: Cross multiply
    39,520.56x = 54,540.12 × 22,758.96
  4. Step 4: Simplify right side
    39,520.56x = 1,241,276,409.48
  5. Step 5: Solve for x
    x = 1,241,276,409.48/39,520.56
  6. Step 6: Final answer
    x = 31,408.37

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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.