Home / 53,171.48-73,372.38-30,816.92

Finding the Fourth Proportional to 53,171.48, 73,372.38 and 30,816.92

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Solution

The fourth proportional to 53,171.48, 73,372.38 and 30,816.92 is: 42,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.48 : 73,372.38 = 30,816.92 : x
  2. Step 2: Convert to fraction form
    53,171.48/73,372.38 = 30,816.92/x
  3. Step 3: Cross multiply
    53,171.48x = 73,372.38 × 30,816.92
  4. Step 4: Simplify right side
    53,171.48x = 2,261,110,764.67
  5. Step 5: Solve for x
    x = 2,261,110,764.67/53,171.48
  6. Step 6: Final answer
    x = 42,524.88

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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.