Home / 40,115.48-55,359.81-22,212.14

Finding the Fourth Proportional to 40,115.48, 55,359.81 and 22,212.14

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Solution

The fourth proportional to 40,115.48, 55,359.81 and 22,212.14 is: 30,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.48 : 55,359.81 = 22,212.14 : x
  2. Step 2: Convert to fraction form
    40,115.48/55,359.81 = 22,212.14/x
  3. Step 3: Cross multiply
    40,115.48x = 55,359.81 × 22,212.14
  4. Step 4: Simplify right side
    40,115.48x = 1,229,659,850.09
  5. Step 5: Solve for x
    x = 1,229,659,850.09/40,115.48
  6. Step 6: Final answer
    x = 30,653.00

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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.