Home / 50,317.25-69,420.11-30,180.65

Finding the Fourth Proportional to 50,317.25, 69,420.11 and 30,180.65

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Solution

The fourth proportional to 50,317.25, 69,420.11 and 30,180.65 is: 41,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,317.25 : 69,420.11 = 30,180.65 : x
  2. Step 2: Convert to fraction form
    50,317.25/69,420.11 = 30,180.65/x
  3. Step 3: Cross multiply
    50,317.25x = 69,420.11 × 30,180.65
  4. Step 4: Simplify right side
    50,317.25x = 2,095,143,891.97
  5. Step 5: Solve for x
    x = 2,095,143,891.97/50,317.25
  6. Step 6: Final answer
    x = 41,638.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.