Home / 40,215.22-55,494.47-22,309.85

Finding the Fourth Proportional to 40,215.22, 55,494.47 and 22,309.85

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Solution

The fourth proportional to 40,215.22, 55,494.47 and 22,309.85 is: 30,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.22 : 55,494.47 = 22,309.85 : x
  2. Step 2: Convert to fraction form
    40,215.22/55,494.47 = 22,309.85/x
  3. Step 3: Cross multiply
    40,215.22x = 55,494.47 × 22,309.85
  4. Step 4: Simplify right side
    40,215.22x = 1,238,073,496.04
  5. Step 5: Solve for x
    x = 1,238,073,496.04/40,215.22
  6. Step 6: Final answer
    x = 30,786.19

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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.