Home / 31,416.80-43,355.32-17,270.55

Finding the Fourth Proportional to 31,416.80, 43,355.32 and 17,270.55

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Solution

The fourth proportional to 31,416.80, 43,355.32 and 17,270.55 is: 23,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.80 : 43,355.32 = 17,270.55 : x
  2. Step 2: Convert to fraction form
    31,416.80/43,355.32 = 17,270.55/x
  3. Step 3: Cross multiply
    31,416.80x = 43,355.32 × 17,270.55
  4. Step 4: Simplify right side
    31,416.80x = 748,770,178.65
  5. Step 5: Solve for x
    x = 748,770,178.65/31,416.80
  6. Step 6: Final answer
    x = 23,833.44

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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.