Home / 40,517.07-60,782.09-17,143.71

Finding the Fourth Proportional to 40,517.07, 60,782.09 and 17,143.71

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Solution

The fourth proportional to 40,517.07, 60,782.09 and 17,143.71 is: 25,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.07 : 60,782.09 = 17,143.71 : x
  2. Step 2: Convert to fraction form
    40,517.07/60,782.09 = 17,143.71/x
  3. Step 3: Cross multiply
    40,517.07x = 60,782.09 × 17,143.71
  4. Step 4: Simplify right side
    40,517.07x = 1,042,030,438.44
  5. Step 5: Solve for x
    x = 1,042,030,438.44/40,517.07
  6. Step 6: Final answer
    x = 25,718.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.