Home / 40,123.44-55,370.35-22,218.46

Finding the Fourth Proportional to 40,123.44, 55,370.35 and 22,218.46

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Solution

The fourth proportional to 40,123.44, 55,370.35 and 22,218.46 is: 30,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.44 : 55,370.35 = 22,218.46 : x
  2. Step 2: Convert to fraction form
    40,123.44/55,370.35 = 22,218.46/x
  3. Step 3: Cross multiply
    40,123.44x = 55,370.35 × 22,218.46
  4. Step 4: Simplify right side
    40,123.44x = 1,230,243,816.51
  5. Step 5: Solve for x
    x = 1,230,243,816.51/40,123.44
  6. Step 6: Final answer
    x = 30,661.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.