Home / 31,525.65-43,504.78-17,185.61

Finding the Fourth Proportional to 31,525.65, 43,504.78 and 17,185.61

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Solution

The fourth proportional to 31,525.65, 43,504.78 and 17,185.61 is: 23,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.65 : 43,504.78 = 17,185.61 : x
  2. Step 2: Convert to fraction form
    31,525.65/43,504.78 = 17,185.61/x
  3. Step 3: Cross multiply
    31,525.65x = 43,504.78 × 17,185.61
  4. Step 4: Simplify right side
    31,525.65x = 747,656,182.22
  5. Step 5: Solve for x
    x = 747,656,182.22/31,525.65
  6. Step 6: Final answer
    x = 23,715.81

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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.