Home / 60,182.46-90,218.41-20,730.20

Finding the Fourth Proportional to 60,182.46, 90,218.41 and 20,730.20

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Solution

The fourth proportional to 60,182.46, 90,218.41 and 20,730.20 is: 31,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,182.46 : 90,218.41 = 20,730.20 : x
  2. Step 2: Convert to fraction form
    60,182.46/90,218.41 = 20,730.20/x
  3. Step 3: Cross multiply
    60,182.46x = 90,218.41 × 20,730.20
  4. Step 4: Simplify right side
    60,182.46x = 1,870,245,180.06
  5. Step 5: Solve for x
    x = 1,870,245,180.06/60,182.46
  6. Step 6: Final answer
    x = 31,076.25

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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.