Home / 39,554.30-54,584.96-21,649.30

Finding the Fourth Proportional to 39,554.30, 54,584.96 and 21,649.30

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Solution

The fourth proportional to 39,554.30, 54,584.96 and 21,649.30 is: 29,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554.30 : 54,584.96 = 21,649.30 : x
  2. Step 2: Convert to fraction form
    39,554.30/54,584.96 = 21,649.30/x
  3. Step 3: Cross multiply
    39,554.30x = 54,584.96 × 21,649.30
  4. Step 4: Simplify right side
    39,554.30x = 1,181,726,174.53
  5. Step 5: Solve for x
    x = 1,181,726,174.53/39,554.30
  6. Step 6: Final answer
    x = 29,876.05

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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.