Home / 38,102.40-52,576.56-21,104.28

Finding the Fourth Proportional to 38,102.40, 52,576.56 and 21,104.28

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Solution

The fourth proportional to 38,102.40, 52,576.56 and 21,104.28 is: 29,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.40 : 52,576.56 = 21,104.28 : x
  2. Step 2: Convert to fraction form
    38,102.40/52,576.56 = 21,104.28/x
  3. Step 3: Cross multiply
    38,102.40x = 52,576.56 × 21,104.28
  4. Step 4: Simplify right side
    38,102.40x = 1,109,590,443.68
  5. Step 5: Solve for x
    x = 1,109,590,443.68/38,102.40
  6. Step 6: Final answer
    x = 29,121.27

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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.