Home / 40,223.35-55,508.21-22,318.48

Finding the Fourth Proportional to 40,223.35, 55,508.21 and 22,318.48

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Solution

The fourth proportional to 40,223.35, 55,508.21 and 22,318.48 is: 30,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.35 : 55,508.21 = 22,318.48 : x
  2. Step 2: Convert to fraction form
    40,223.35/55,508.21 = 22,318.48/x
  3. Step 3: Cross multiply
    40,223.35x = 55,508.21 × 22,318.48
  4. Step 4: Simplify right side
    40,223.35x = 1,238,858,597.18
  5. Step 5: Solve for x
    x = 1,238,858,597.18/40,223.35
  6. Step 6: Final answer
    x = 30,799.49

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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.