Home / 35,581.48-49,102.05-19,665.96

Finding the Fourth Proportional to 35,581.48, 49,102.05 and 19,665.96

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Solution

The fourth proportional to 35,581.48, 49,102.05 and 19,665.96 is: 27,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.48 : 49,102.05 = 19,665.96 : x
  2. Step 2: Convert to fraction form
    35,581.48/49,102.05 = 19,665.96/x
  3. Step 3: Cross multiply
    35,581.48x = 49,102.05 × 19,665.96
  4. Step 4: Simplify right side
    35,581.48x = 965,638,951.22
  5. Step 5: Solve for x
    x = 965,638,951.22/35,581.48
  6. Step 6: Final answer
    x = 27,138.81

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Why These Related Problems?

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