Home / 40,008.66-55,215.18-22,105.23

Finding the Fourth Proportional to 40,008.66, 55,215.18 and 22,105.23

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Solution

The fourth proportional to 40,008.66, 55,215.18 and 22,105.23 is: 30,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.66 : 55,215.18 = 22,105.23 : x
  2. Step 2: Convert to fraction form
    40,008.66/55,215.18 = 22,105.23/x
  3. Step 3: Cross multiply
    40,008.66x = 55,215.18 × 22,105.23
  4. Step 4: Simplify right side
    40,008.66x = 1,220,544,253.39
  5. Step 5: Solve for x
    x = 1,220,544,253.39/40,008.66
  6. Step 6: Final answer
    x = 30,507.00

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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.