Home / 48,086.30-72,135.25-20,025.38

Finding the Fourth Proportional to 48,086.30, 72,135.25 and 20,025.38

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Solution

The fourth proportional to 48,086.30, 72,135.25 and 20,025.38 is: 30,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,086.30 : 72,135.25 = 20,025.38 : x
  2. Step 2: Convert to fraction form
    48,086.30/72,135.25 = 20,025.38/x
  3. Step 3: Cross multiply
    48,086.30x = 72,135.25 × 20,025.38
  4. Step 4: Simplify right side
    48,086.30x = 1,444,535,792.65
  5. Step 5: Solve for x
    x = 1,444,535,792.65/48,086.30
  6. Step 6: Final answer
    x = 30,040.49

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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.