Home / 31,282.47-43,173.95-17,850.65

Finding the Fourth Proportional to 31,282.47, 43,173.95 and 17,850.65

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Solution

The fourth proportional to 31,282.47, 43,173.95 and 17,850.65 is: 24,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.47 : 43,173.95 = 17,850.65 : x
  2. Step 2: Convert to fraction form
    31,282.47/43,173.95 = 17,850.65/x
  3. Step 3: Cross multiply
    31,282.47x = 43,173.95 × 17,850.65
  4. Step 4: Simplify right side
    31,282.47x = 770,682,765.44
  5. Step 5: Solve for x
    x = 770,682,765.44/31,282.47
  6. Step 6: Final answer
    x = 24,636.25

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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.