Home / 39,081.60-58,641.84-18,306.72

Finding the Fourth Proportional to 39,081.60, 58,641.84 and 18,306.72

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Solution

The fourth proportional to 39,081.60, 58,641.84 and 18,306.72 is: 27,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.60 : 58,641.84 = 18,306.72 : x
  2. Step 2: Convert to fraction form
    39,081.60/58,641.84 = 18,306.72/x
  3. Step 3: Cross multiply
    39,081.60x = 58,641.84 × 18,306.72
  4. Step 4: Simplify right side
    39,081.60x = 1,073,539,745.16
  5. Step 5: Solve for x
    x = 1,073,539,745.16/39,081.60
  6. Step 6: Final answer
    x = 27,469.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.