Home / 40,027.82-55,237.60-22,122.44

Finding the Fourth Proportional to 40,027.82, 55,237.60 and 22,122.44

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Solution

The fourth proportional to 40,027.82, 55,237.60 and 22,122.44 is: 30,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027.82 : 55,237.60 = 22,122.44 : x
  2. Step 2: Convert to fraction form
    40,027.82/55,237.60 = 22,122.44/x
  3. Step 3: Cross multiply
    40,027.82x = 55,237.60 × 22,122.44
  4. Step 4: Simplify right side
    40,027.82x = 1,221,990,491.74
  5. Step 5: Solve for x
    x = 1,221,990,491.74/40,027.82
  6. Step 6: Final answer
    x = 30,528.53

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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.