Home / 31,440.36-43,370.96-23,874.12

Finding the Fourth Proportional to 31,440.36, 43,370.96 and 23,874.12

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Solution

The fourth proportional to 31,440.36, 43,370.96 and 23,874.12 is: 32,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.36 : 43,370.96 = 23,874.12 : x
  2. Step 2: Convert to fraction form
    31,440.36/43,370.96 = 23,874.12/x
  3. Step 3: Cross multiply
    31,440.36x = 43,370.96 × 23,874.12
  4. Step 4: Simplify right side
    31,440.36x = 1,035,443,503.56
  5. Step 5: Solve for x
    x = 1,035,443,503.56/31,440.36
  6. Step 6: Final answer
    x = 32,933.58

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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.