Home / 31,546.65-43,532.84-18,799.54

Finding the Fourth Proportional to 31,546.65, 43,532.84 and 18,799.54

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Solution

The fourth proportional to 31,546.65, 43,532.84 and 18,799.54 is: 25,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.65 : 43,532.84 = 18,799.54 : x
  2. Step 2: Convert to fraction form
    31,546.65/43,532.84 = 18,799.54/x
  3. Step 3: Cross multiply
    31,546.65x = 43,532.84 × 18,799.54
  4. Step 4: Simplify right side
    31,546.65x = 818,397,549.93
  5. Step 5: Solve for x
    x = 818,397,549.93/31,546.65
  6. Step 6: Final answer
    x = 25,942.45

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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.