Home / 38,101-52,579.40-21,334.36

Finding the Fourth Proportional to 38,101, 52,579.40 and 21,334.36

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Solution

The fourth proportional to 38,101, 52,579.40 and 21,334.36 is: 29,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101 : 52,579.40 = 21,334.36 : x
  2. Step 2: Convert to fraction form
    38,101/52,579.40 = 21,334.36/x
  3. Step 3: Cross multiply
    38,101x = 52,579.40 × 21,334.36
  4. Step 4: Simplify right side
    38,101x = 1,121,747,848.18
  5. Step 5: Solve for x
    x = 1,121,747,848.18/38,101
  6. Step 6: Final answer
    x = 29,441.43

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Half scale
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Double scale
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Similar ratio
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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.