Home / 38,099.39-52,576.61-21,103.58

Finding the Fourth Proportional to 38,099.39, 52,576.61 and 21,103.58

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Solution

The fourth proportional to 38,099.39, 52,576.61 and 21,103.58 is: 29,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,099.39 : 52,576.61 = 21,103.58 : x
  2. Step 2: Convert to fraction form
    38,099.39/52,576.61 = 21,103.58/x
  3. Step 3: Cross multiply
    38,099.39x = 52,576.61 × 21,103.58
  4. Step 4: Simplify right side
    38,099.39x = 1,109,554,573.32
  5. Step 5: Solve for x
    x = 1,109,554,573.32/38,099.39
  6. Step 6: Final answer
    x = 29,122.63

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Half scale
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Double scale
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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.