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Finding the Fourth Proportional to 48,649.42, 67,120.88 and 38,408.19

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Solution

The fourth proportional to 48,649.42, 67,120.88 and 38,408.19 is: 52,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.42 : 67,120.88 = 38,408.19 : x
  2. Step 2: Convert to fraction form
    48,649.42/67,120.88 = 38,408.19/x
  3. Step 3: Cross multiply
    48,649.42x = 67,120.88 × 38,408.19
  4. Step 4: Simplify right side
    48,649.42x = 2,577,991,512.01
  5. Step 5: Solve for x
    x = 2,577,991,512.01/48,649.42
  6. Step 6: Final answer
    x = 52,991.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.