Home / 40,214.96-55,494.14-22,309.60

Finding the Fourth Proportional to 40,214.96, 55,494.14 and 22,309.60

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Solution

The fourth proportional to 40,214.96, 55,494.14 and 22,309.60 is: 30,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.96 : 55,494.14 = 22,309.60 : x
  2. Step 2: Convert to fraction form
    40,214.96/55,494.14 = 22,309.60/x
  3. Step 3: Cross multiply
    40,214.96x = 55,494.14 × 22,309.60
  4. Step 4: Simplify right side
    40,214.96x = 1,238,052,065.74
  5. Step 5: Solve for x
    x = 1,238,052,065.74/40,214.96
  6. Step 6: Final answer
    x = 30,785.86

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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.