Home / 35,553.92-49,067.28-19,639.76

Finding the Fourth Proportional to 35,553.92, 49,067.28 and 19,639.76

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Solution

The fourth proportional to 35,553.92, 49,067.28 and 19,639.76 is: 27,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.92 : 49,067.28 = 19,639.76 : x
  2. Step 2: Convert to fraction form
    35,553.92/49,067.28 = 19,639.76/x
  3. Step 3: Cross multiply
    35,553.92x = 49,067.28 × 19,639.76
  4. Step 4: Simplify right side
    35,553.92x = 963,669,603.05
  5. Step 5: Solve for x
    x = 963,669,603.05/35,553.92
  6. Step 6: Final answer
    x = 27,104.45

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1.5x scale

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.