Home / 38,197.95-52,713.48-21,201.12

Finding the Fourth Proportional to 38,197.95, 52,713.48 and 21,201.12

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Solution

The fourth proportional to 38,197.95, 52,713.48 and 21,201.12 is: 29,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,197.95 : 52,713.48 = 21,201.12 : x
  2. Step 2: Convert to fraction form
    38,197.95/52,713.48 = 21,201.12/x
  3. Step 3: Cross multiply
    38,197.95x = 52,713.48 × 21,201.12
  4. Step 4: Simplify right side
    38,197.95x = 1,117,584,815.10
  5. Step 5: Solve for x
    x = 1,117,584,815.10/38,197.95
  6. Step 6: Final answer
    x = 29,257.72

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Half scale
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Double scale
Find fourth proportional to 38,198.95, 52,714.86 and 21,202.12
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.