Home / 29,103.14-43,716.90-20,836.28

Finding the Fourth Proportional to 29,103.14, 43,716.90 and 20,836.28

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Solution

The fourth proportional to 29,103.14, 43,716.90 and 20,836.28 is: 31,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.14 : 43,716.90 = 20,836.28 : x
  2. Step 2: Convert to fraction form
    29,103.14/43,716.90 = 20,836.28/x
  3. Step 3: Cross multiply
    29,103.14x = 43,716.90 × 20,836.28
  4. Step 4: Simplify right side
    29,103.14x = 910,897,569.13
  5. Step 5: Solve for x
    x = 910,897,569.13/29,103.14
  6. Step 6: Final answer
    x = 31,298.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.