Home / 40,217.82-55,502.31-22,316.28

Finding the Fourth Proportional to 40,217.82, 55,502.31 and 22,316.28

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Solution

The fourth proportional to 40,217.82, 55,502.31 and 22,316.28 is: 30,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.82 : 55,502.31 = 22,316.28 : x
  2. Step 2: Convert to fraction form
    40,217.82/55,502.31 = 22,316.28/x
  3. Step 3: Cross multiply
    40,217.82x = 55,502.31 × 22,316.28
  4. Step 4: Simplify right side
    40,217.82x = 1,238,605,090.61
  5. Step 5: Solve for x
    x = 1,238,605,090.61/40,217.82
  6. Step 6: Final answer
    x = 30,797.42

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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.