Home / 40,119.17-55,364.72-22,215.33

Finding the Fourth Proportional to 40,119.17, 55,364.72 and 22,215.33

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Solution

The fourth proportional to 40,119.17, 55,364.72 and 22,215.33 is: 30,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.17 : 55,364.72 = 22,215.33 : x
  2. Step 2: Convert to fraction form
    40,119.17/55,364.72 = 22,215.33/x
  3. Step 3: Cross multiply
    40,119.17x = 55,364.72 × 22,215.33
  4. Step 4: Simplify right side
    40,119.17x = 1,229,945,414.08
  5. Step 5: Solve for x
    x = 1,229,945,414.08/40,119.17
  6. Step 6: Final answer
    x = 30,657.30

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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.