Home / 35,789.82-49,394.49-21,642.75

Finding the Fourth Proportional to 35,789.82, 49,394.49 and 21,642.75

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Solution

The fourth proportional to 35,789.82, 49,394.49 and 21,642.75 is: 29,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789.82 : 49,394.49 = 21,642.75 : x
  2. Step 2: Convert to fraction form
    35,789.82/49,394.49 = 21,642.75/x
  3. Step 3: Cross multiply
    35,789.82x = 49,394.49 × 21,642.75
  4. Step 4: Simplify right side
    35,789.82x = 1,069,032,598.45
  5. Step 5: Solve for x
    x = 1,069,032,598.45/35,789.82
  6. Step 6: Final answer
    x = 29,869.74

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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.