Home / 38,003.56-52,439.29-21,650.92

Finding the Fourth Proportional to 38,003.56, 52,439.29 and 21,650.92

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Solution

The fourth proportional to 38,003.56, 52,439.29 and 21,650.92 is: 29,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.56 : 52,439.29 = 21,650.92 : x
  2. Step 2: Convert to fraction form
    38,003.56/52,439.29 = 21,650.92/x
  3. Step 3: Cross multiply
    38,003.56x = 52,439.29 × 21,650.92
  4. Step 4: Simplify right side
    38,003.56x = 1,135,358,872.65
  5. Step 5: Solve for x
    x = 1,135,358,872.65/38,003.56
  6. Step 6: Final answer
    x = 29,875.07

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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.