Home / 38,100.16-52,576.48-21,103.28

Finding the Fourth Proportional to 38,100.16, 52,576.48 and 21,103.28

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Solution

The fourth proportional to 38,100.16, 52,576.48 and 21,103.28 is: 29,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.16 : 52,576.48 = 21,103.28 : x
  2. Step 2: Convert to fraction form
    38,100.16/52,576.48 = 21,103.28/x
  3. Step 3: Cross multiply
    38,100.16x = 52,576.48 × 21,103.28
  4. Step 4: Simplify right side
    38,100.16x = 1,109,536,178.85
  5. Step 5: Solve for x
    x = 1,109,536,178.85/38,100.16
  6. Step 6: Final answer
    x = 29,121.56

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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.