Home / 40,118.49-55,362.79-22,213.44

Finding the Fourth Proportional to 40,118.49, 55,362.79 and 22,213.44

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Solution

The fourth proportional to 40,118.49, 55,362.79 and 22,213.44 is: 30,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.49 : 55,362.79 = 22,213.44 : x
  2. Step 2: Convert to fraction form
    40,118.49/55,362.79 = 22,213.44/x
  3. Step 3: Cross multiply
    40,118.49x = 55,362.79 × 22,213.44
  4. Step 4: Simplify right side
    40,118.49x = 1,229,798,041.66
  5. Step 5: Solve for x
    x = 1,229,798,041.66/40,118.49
  6. Step 6: Final answer
    x = 30,654.15

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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.