Home / 39,989.65-55,185.52-22,084.57

Finding the Fourth Proportional to 39,989.65, 55,185.52 and 22,084.57

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Solution

The fourth proportional to 39,989.65, 55,185.52 and 22,084.57 is: 30,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,989.65 : 55,185.52 = 22,084.57 : x
  2. Step 2: Convert to fraction form
    39,989.65/55,185.52 = 22,084.57/x
  3. Step 3: Cross multiply
    39,989.65x = 55,185.52 × 22,084.57
  4. Step 4: Simplify right side
    39,989.65x = 1,218,748,479.43
  5. Step 5: Solve for x
    x = 1,218,748,479.43/39,989.65
  6. Step 6: Final answer
    x = 30,476.60

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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.