Home / 31,282.61-43,174.01-17,850.78

Finding the Fourth Proportional to 31,282.61, 43,174.01 and 17,850.78

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Solution

The fourth proportional to 31,282.61, 43,174.01 and 17,850.78 is: 24,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.61 : 43,174.01 = 17,850.78 : x
  2. Step 2: Convert to fraction form
    31,282.61/43,174.01 = 17,850.78/x
  3. Step 3: Cross multiply
    31,282.61x = 43,174.01 × 17,850.78
  4. Step 4: Simplify right side
    31,282.61x = 770,689,798.85
  5. Step 5: Solve for x
    x = 770,689,798.85/31,282.61
  6. Step 6: Final answer
    x = 24,636.37

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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.