Home / 40,116.52-55,361.24-22,211.84

Finding the Fourth Proportional to 40,116.52, 55,361.24 and 22,211.84

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Solution

The fourth proportional to 40,116.52, 55,361.24 and 22,211.84 is: 30,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.52 : 55,361.24 = 22,211.84 : x
  2. Step 2: Convert to fraction form
    40,116.52/55,361.24 = 22,211.84/x
  3. Step 3: Cross multiply
    40,116.52x = 55,361.24 × 22,211.84
  4. Step 4: Simplify right side
    40,116.52x = 1,229,674,894.02
  5. Step 5: Solve for x
    x = 1,229,674,894.02/40,116.52
  6. Step 6: Final answer
    x = 30,652.58

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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.