Home / 55,887.29-83,813.17-18,440.38

Finding the Fourth Proportional to 55,887.29, 83,813.17 and 18,440.38

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Solution

The fourth proportional to 55,887.29, 83,813.17 and 18,440.38 is: 27,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.29 : 83,813.17 = 18,440.38 : x
  2. Step 2: Convert to fraction form
    55,887.29/83,813.17 = 18,440.38/x
  3. Step 3: Cross multiply
    55,887.29x = 83,813.17 × 18,440.38
  4. Step 4: Simplify right side
    55,887.29x = 1,545,546,703.80
  5. Step 5: Solve for x
    x = 1,545,546,703.80/55,887.29
  6. Step 6: Final answer
    x = 27,654.71

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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.