Home / 39,511.62-54,523.19-21,602.84

Finding the Fourth Proportional to 39,511.62, 54,523.19 and 21,602.84

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Solution

The fourth proportional to 39,511.62, 54,523.19 and 21,602.84 is: 29,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.62 : 54,523.19 = 21,602.84 : x
  2. Step 2: Convert to fraction form
    39,511.62/54,523.19 = 21,602.84/x
  3. Step 3: Cross multiply
    39,511.62x = 54,523.19 × 21,602.84
  4. Step 4: Simplify right side
    39,511.62x = 1,177,855,531.25
  5. Step 5: Solve for x
    x = 1,177,855,531.25/39,511.62
  6. Step 6: Final answer
    x = 29,810.36

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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.