Home / 40,319.09-55,641.78-22,171.19

Finding the Fourth Proportional to 40,319.09, 55,641.78 and 22,171.19

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Solution

The fourth proportional to 40,319.09, 55,641.78 and 22,171.19 is: 30,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.09 : 55,641.78 = 22,171.19 : x
  2. Step 2: Convert to fraction form
    40,319.09/55,641.78 = 22,171.19/x
  3. Step 3: Cross multiply
    40,319.09x = 55,641.78 × 22,171.19
  4. Step 4: Simplify right side
    40,319.09x = 1,233,644,615.42
  5. Step 5: Solve for x
    x = 1,233,644,615.42/40,319.09
  6. Step 6: Final answer
    x = 30,597.03

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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.