Home / 39,909.30-55,074.84-22,914.65

Finding the Fourth Proportional to 39,909.30, 55,074.84 and 22,914.65

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Solution

The fourth proportional to 39,909.30, 55,074.84 and 22,914.65 is: 31,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.30 : 55,074.84 = 22,914.65 : x
  2. Step 2: Convert to fraction form
    39,909.30/55,074.84 = 22,914.65/x
  3. Step 3: Cross multiply
    39,909.30x = 55,074.84 × 22,914.65
  4. Step 4: Simplify right side
    39,909.30x = 1,262,020,820.09
  5. Step 5: Solve for x
    x = 1,262,020,820.09/39,909.30
  6. Step 6: Final answer
    x = 31,622.22

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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.