Home / 38,039.96-52,494.84-21,272.96

Finding the Fourth Proportional to 38,039.96, 52,494.84 and 21,272.96

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Solution

The fourth proportional to 38,039.96, 52,494.84 and 21,272.96 is: 29,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.96 : 52,494.84 = 21,272.96 : x
  2. Step 2: Convert to fraction form
    38,039.96/52,494.84 = 21,272.96/x
  3. Step 3: Cross multiply
    38,039.96x = 52,494.84 × 21,272.96
  4. Step 4: Simplify right side
    38,039.96x = 1,116,720,631.53
  5. Step 5: Solve for x
    x = 1,116,720,631.53/38,039.96
  6. Step 6: Final answer
    x = 29,356.51

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Half scale
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Double scale
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Similar ratio
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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.