Home / 65,067.44-89,822.25-38,211.62

Finding the Fourth Proportional to 65,067.44, 89,822.25 and 38,211.62

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Solution

The fourth proportional to 65,067.44, 89,822.25 and 38,211.62 is: 52,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,067.44 : 89,822.25 = 38,211.62 : x
  2. Step 2: Convert to fraction form
    65,067.44/89,822.25 = 38,211.62/x
  3. Step 3: Cross multiply
    65,067.44x = 89,822.25 × 38,211.62
  4. Step 4: Simplify right side
    65,067.44x = 3,432,253,235.43
  5. Step 5: Solve for x
    x = 3,432,253,235.43/65,067.44
  6. Step 6: Final answer
    x = 52,749.17

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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.