Home / 40,800.26-61,200.39-11,221.22

Finding the Fourth Proportional to 40,800.26, 61,200.39 and 11,221.22

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Solution

The fourth proportional to 40,800.26, 61,200.39 and 11,221.22 is: 16,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,800.26 : 61,200.39 = 11,221.22 : x
  2. Step 2: Convert to fraction form
    40,800.26/61,200.39 = 11,221.22/x
  3. Step 3: Cross multiply
    40,800.26x = 61,200.39 × 11,221.22
  4. Step 4: Simplify right side
    40,800.26x = 686,743,040.28
  5. Step 5: Solve for x
    x = 686,743,040.28/40,800.26
  6. Step 6: Final answer
    x = 16,831.83

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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.