Home / 60,229.44-90,322.40-20,774.72

Finding the Fourth Proportional to 60,229.44, 90,322.40 and 20,774.72

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Solution

The fourth proportional to 60,229.44, 90,322.40 and 20,774.72 is: 31,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,229.44 : 90,322.40 = 20,774.72 : x
  2. Step 2: Convert to fraction form
    60,229.44/90,322.40 = 20,774.72/x
  3. Step 3: Cross multiply
    60,229.44x = 90,322.40 × 20,774.72
  4. Step 4: Simplify right side
    60,229.44x = 1,876,422,569.73
  5. Step 5: Solve for x
    x = 1,876,422,569.73/60,229.44
  6. Step 6: Final answer
    x = 31,154.57

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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.