Home / 55,382.09-83,052.61-19,837.87

Finding the Fourth Proportional to 55,382.09, 83,052.61 and 19,837.87

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Solution

The fourth proportional to 55,382.09, 83,052.61 and 19,837.87 is: 29,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,382.09 : 83,052.61 = 19,837.87 : x
  2. Step 2: Convert to fraction form
    55,382.09/83,052.61 = 19,837.87/x
  3. Step 3: Cross multiply
    55,382.09x = 83,052.61 × 19,837.87
  4. Step 4: Simplify right side
    55,382.09x = 1,647,586,623.11
  5. Step 5: Solve for x
    x = 1,647,586,623.11/55,382.09
  6. Step 6: Final answer
    x = 29,749.45

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Why These Related Problems?

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