Home / 39,310.87-54,246.27-22,315.51

Finding the Fourth Proportional to 39,310.87, 54,246.27 and 22,315.51

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Solution

The fourth proportional to 39,310.87, 54,246.27 and 22,315.51 is: 30,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.87 : 54,246.27 = 22,315.51 : x
  2. Step 2: Convert to fraction form
    39,310.87/54,246.27 = 22,315.51/x
  3. Step 3: Cross multiply
    39,310.87x = 54,246.27 × 22,315.51
  4. Step 4: Simplify right side
    39,310.87x = 1,210,533,180.65
  5. Step 5: Solve for x
    x = 1,210,533,180.65/39,310.87
  6. Step 6: Final answer
    x = 30,793.85

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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.