Home / 35,813.36-49,414.92-21,667.28

Finding the Fourth Proportional to 35,813.36, 49,414.92 and 21,667.28

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Solution

The fourth proportional to 35,813.36, 49,414.92 and 21,667.28 is: 29,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.36 : 49,414.92 = 21,667.28 : x
  2. Step 2: Convert to fraction form
    35,813.36/49,414.92 = 21,667.28/x
  3. Step 3: Cross multiply
    35,813.36x = 49,414.92 × 21,667.28
  4. Step 4: Simplify right side
    35,813.36x = 1,070,686,907.82
  5. Step 5: Solve for x
    x = 1,070,686,907.82/35,813.36
  6. Step 6: Final answer
    x = 29,896.30

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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.