Home / 40,221.97-55,505.60-22,316.66

Finding the Fourth Proportional to 40,221.97, 55,505.60 and 22,316.66

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Solution

The fourth proportional to 40,221.97, 55,505.60 and 22,316.66 is: 30,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.97 : 55,505.60 = 22,316.66 : x
  2. Step 2: Convert to fraction form
    40,221.97/55,505.60 = 22,316.66/x
  3. Step 3: Cross multiply
    40,221.97x = 55,505.60 × 22,316.66
  4. Step 4: Simplify right side
    40,221.97x = 1,238,699,943.77
  5. Step 5: Solve for x
    x = 1,238,699,943.77/40,221.97
  6. Step 6: Final answer
    x = 30,796.60

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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.