Home / 39,760.26-59,640.66-11,680.80

Finding the Fourth Proportional to 39,760.26, 59,640.66 and 11,680.80

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Solution

The fourth proportional to 39,760.26, 59,640.66 and 11,680.80 is: 17,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.26 : 59,640.66 = 11,680.80 : x
  2. Step 2: Convert to fraction form
    39,760.26/59,640.66 = 11,680.80/x
  3. Step 3: Cross multiply
    39,760.26x = 59,640.66 × 11,680.80
  4. Step 4: Simplify right side
    39,760.26x = 696,650,621.33
  5. Step 5: Solve for x
    x = 696,650,621.33/39,760.26
  6. Step 6: Final answer
    x = 17,521.28

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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.