Home / 38,196.92-52,716.30-21,432.44

Finding the Fourth Proportional to 38,196.92, 52,716.30 and 21,432.44

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Solution

The fourth proportional to 38,196.92, 52,716.30 and 21,432.44 is: 29,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.92 : 52,716.30 = 21,432.44 : x
  2. Step 2: Convert to fraction form
    38,196.92/52,716.30 = 21,432.44/x
  3. Step 3: Cross multiply
    38,196.92x = 52,716.30 × 21,432.44
  4. Step 4: Simplify right side
    38,196.92x = 1,129,838,936.77
  5. Step 5: Solve for x
    x = 1,129,838,936.77/38,196.92
  6. Step 6: Final answer
    x = 29,579.32

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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.