Home / 29,821.52-41,110.27-20,841.12

Finding the Fourth Proportional to 29,821.52, 41,110.27 and 20,841.12

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Solution

The fourth proportional to 29,821.52, 41,110.27 and 20,841.12 is: 28,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.52 : 41,110.27 = 20,841.12 : x
  2. Step 2: Convert to fraction form
    29,821.52/41,110.27 = 20,841.12/x
  3. Step 3: Cross multiply
    29,821.52x = 41,110.27 × 20,841.12
  4. Step 4: Simplify right side
    29,821.52x = 856,784,018.20
  5. Step 5: Solve for x
    x = 856,784,018.20/29,821.52
  6. Step 6: Final answer
    x = 28,730.39

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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.