Home / 38,120.24-52,606.92-21,354.32

Finding the Fourth Proportional to 38,120.24, 52,606.92 and 21,354.32

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Solution

The fourth proportional to 38,120.24, 52,606.92 and 21,354.32 is: 29,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.24 : 52,606.92 = 21,354.32 : x
  2. Step 2: Convert to fraction form
    38,120.24/52,606.92 = 21,354.32/x
  3. Step 3: Cross multiply
    38,120.24x = 52,606.92 × 21,354.32
  4. Step 4: Simplify right side
    38,120.24x = 1,123,385,003.89
  5. Step 5: Solve for x
    x = 1,123,385,003.89/38,120.24
  6. Step 6: Final answer
    x = 29,469.52

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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.