Home / 40,119.98-55,365.56-22,214.97

Finding the Fourth Proportional to 40,119.98, 55,365.56 and 22,214.97

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Solution

The fourth proportional to 40,119.98, 55,365.56 and 22,214.97 is: 30,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.98 : 55,365.56 = 22,214.97 : x
  2. Step 2: Convert to fraction form
    40,119.98/55,365.56 = 22,214.97/x
  3. Step 3: Cross multiply
    40,119.98x = 55,365.56 × 22,214.97
  4. Step 4: Simplify right side
    40,119.98x = 1,229,944,143.36
  5. Step 5: Solve for x
    x = 1,229,944,143.36/40,119.98
  6. Step 6: Final answer
    x = 30,656.65

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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.