Home / 29,593.08-40,789.67-20,982.06

Finding the Fourth Proportional to 29,593.08, 40,789.67 and 20,982.06

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Solution

The fourth proportional to 29,593.08, 40,789.67 and 20,982.06 is: 28,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,593.08 : 40,789.67 = 20,982.06 : x
  2. Step 2: Convert to fraction form
    29,593.08/40,789.67 = 20,982.06/x
  3. Step 3: Cross multiply
    29,593.08x = 40,789.67 × 20,982.06
  4. Step 4: Simplify right side
    29,593.08x = 855,851,198.41
  5. Step 5: Solve for x
    x = 855,851,198.41/29,593.08
  6. Step 6: Final answer
    x = 28,920.65

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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.