Home / 29,120.97-43,704.14-20,298.45

Finding the Fourth Proportional to 29,120.97, 43,704.14 and 20,298.45

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Solution

The fourth proportional to 29,120.97, 43,704.14 and 20,298.45 is: 30,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.97 : 43,704.14 = 20,298.45 : x
  2. Step 2: Convert to fraction form
    29,120.97/43,704.14 = 20,298.45/x
  3. Step 3: Cross multiply
    29,120.97x = 43,704.14 × 20,298.45
  4. Step 4: Simplify right side
    29,120.97x = 887,126,300.58
  5. Step 5: Solve for x
    x = 887,126,300.58/29,120.97
  6. Step 6: Final answer
    x = 30,463.49

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Double scale
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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.