Home / 37,171.52-51,279.36-23,019.20

Finding the Fourth Proportional to 37,171.52, 51,279.36 and 23,019.20

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Solution

The fourth proportional to 37,171.52, 51,279.36 and 23,019.20 is: 31,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,171.52 : 51,279.36 = 23,019.20 : x
  2. Step 2: Convert to fraction form
    37,171.52/51,279.36 = 23,019.20/x
  3. Step 3: Cross multiply
    37,171.52x = 51,279.36 × 23,019.20
  4. Step 4: Simplify right side
    37,171.52x = 1,180,409,843.71
  5. Step 5: Solve for x
    x = 1,180,409,843.71/37,171.52
  6. Step 6: Final answer
    x = 31,755.76

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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.