Home / 40,021.93-55,228.46-22,116.55

Finding the Fourth Proportional to 40,021.93, 55,228.46 and 22,116.55

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Solution

The fourth proportional to 40,021.93, 55,228.46 and 22,116.55 is: 30,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.93 : 55,228.46 = 22,116.55 : x
  2. Step 2: Convert to fraction form
    40,021.93/55,228.46 = 22,116.55/x
  3. Step 3: Cross multiply
    40,021.93x = 55,228.46 × 22,116.55
  4. Step 4: Simplify right side
    40,021.93x = 1,221,462,997.01
  5. Step 5: Solve for x
    x = 1,221,462,997.01/40,021.93
  6. Step 6: Final answer
    x = 30,519.84

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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.