Home / 60,391.20-90,551.34-18,258.60

Finding the Fourth Proportional to 60,391.20, 90,551.34 and 18,258.60

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Solution

The fourth proportional to 60,391.20, 90,551.34 and 18,258.60 is: 27,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,391.20 : 90,551.34 = 18,258.60 : x
  2. Step 2: Convert to fraction form
    60,391.20/90,551.34 = 18,258.60/x
  3. Step 3: Cross multiply
    60,391.20x = 90,551.34 × 18,258.60
  4. Step 4: Simplify right side
    60,391.20x = 1,653,340,696.52
  5. Step 5: Solve for x
    x = 1,653,340,696.52/60,391.20
  6. Step 6: Final answer
    x = 27,377.18

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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.