Home / 38,073.22-52,539.12-20,845.12

Finding the Fourth Proportional to 38,073.22, 52,539.12 and 20,845.12

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Solution

The fourth proportional to 38,073.22, 52,539.12 and 20,845.12 is: 28,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.22 : 52,539.12 = 20,845.12 : x
  2. Step 2: Convert to fraction form
    38,073.22/52,539.12 = 20,845.12/x
  3. Step 3: Cross multiply
    38,073.22x = 52,539.12 × 20,845.12
  4. Step 4: Simplify right side
    38,073.22x = 1,095,184,261.09
  5. Step 5: Solve for x
    x = 1,095,184,261.09/38,073.22
  6. Step 6: Final answer
    x = 28,765.21

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Half scale
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Double scale
Find fourth proportional to 38,074.22, 52,540.50 and 20,846.12
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.