Home / 38,016.48-52,460.46-21,019.70

Finding the Fourth Proportional to 38,016.48, 52,460.46 and 21,019.70

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Solution

The fourth proportional to 38,016.48, 52,460.46 and 21,019.70 is: 29,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.48 : 52,460.46 = 21,019.70 : x
  2. Step 2: Convert to fraction form
    38,016.48/52,460.46 = 21,019.70/x
  3. Step 3: Cross multiply
    38,016.48x = 52,460.46 × 21,019.70
  4. Step 4: Simplify right side
    38,016.48x = 1,102,703,131.06
  5. Step 5: Solve for x
    x = 1,102,703,131.06/38,016.48
  6. Step 6: Final answer
    x = 29,005.92

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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.