Home / 31,439.97-43,370.44-23,873.76

Finding the Fourth Proportional to 31,439.97, 43,370.44 and 23,873.76

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Solution

The fourth proportional to 31,439.97, 43,370.44 and 23,873.76 is: 32,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.97 : 43,370.44 = 23,873.76 : x
  2. Step 2: Convert to fraction form
    31,439.97/43,370.44 = 23,873.76/x
  3. Step 3: Cross multiply
    31,439.97x = 43,370.44 × 23,873.76
  4. Step 4: Simplify right side
    31,439.97x = 1,035,415,415.97
  5. Step 5: Solve for x
    x = 1,035,415,415.97/31,439.97
  6. Step 6: Final answer
    x = 32,933.09

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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.