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Finding the Fourth Proportional to 55,382.58, 83,071.71 and 18,446.58

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Solution

The fourth proportional to 55,382.58, 83,071.71 and 18,446.58 is: 27,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,382.58 : 83,071.71 = 18,446.58 : x
  2. Step 2: Convert to fraction form
    55,382.58/83,071.71 = 18,446.58/x
  3. Step 3: Cross multiply
    55,382.58x = 83,071.71 × 18,446.58
  4. Step 4: Simplify right side
    55,382.58x = 1,532,388,944.25
  5. Step 5: Solve for x
    x = 1,532,388,944.25/55,382.58
  6. Step 6: Final answer
    x = 27,669.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.