Home / 60,205.26-90,325.71-20,766.36

Finding the Fourth Proportional to 60,205.26, 90,325.71 and 20,766.36

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Solution

The fourth proportional to 60,205.26, 90,325.71 and 20,766.36 is: 31,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,205.26 : 90,325.71 = 20,766.36 : x
  2. Step 2: Convert to fraction form
    60,205.26/90,325.71 = 20,766.36/x
  3. Step 3: Cross multiply
    60,205.26x = 90,325.71 × 20,766.36
  4. Step 4: Simplify right side
    60,205.26x = 1,875,736,211.12
  5. Step 5: Solve for x
    x = 1,875,736,211.12/60,205.26
  6. Step 6: Final answer
    x = 31,155.69

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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.