Home / 39,987.68-55,182.87-22,084.65

Finding the Fourth Proportional to 39,987.68, 55,182.87 and 22,084.65

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Solution

The fourth proportional to 39,987.68, 55,182.87 and 22,084.65 is: 30,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.68 : 55,182.87 = 22,084.65 : x
  2. Step 2: Convert to fraction form
    39,987.68/55,182.87 = 22,084.65/x
  3. Step 3: Cross multiply
    39,987.68x = 55,182.87 × 22,084.65
  4. Step 4: Simplify right side
    39,987.68x = 1,218,694,369.95
  5. Step 5: Solve for x
    x = 1,218,694,369.95/39,987.68
  6. Step 6: Final answer
    x = 30,476.75

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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.