Home / 40,221.36-55,505.55-22,316.38

Finding the Fourth Proportional to 40,221.36, 55,505.55 and 22,316.38

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Solution

The fourth proportional to 40,221.36, 55,505.55 and 22,316.38 is: 30,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.36 : 55,505.55 = 22,316.38 : x
  2. Step 2: Convert to fraction form
    40,221.36/55,505.55 = 22,316.38/x
  3. Step 3: Cross multiply
    40,221.36x = 55,505.55 × 22,316.38
  4. Step 4: Simplify right side
    40,221.36x = 1,238,682,890.83
  5. Step 5: Solve for x
    x = 1,238,682,890.83/40,221.36
  6. Step 6: Final answer
    x = 30,796.64

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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.