Home / 38,086.21-57,151.18-29,742.81

Finding the Fourth Proportional to 38,086.21, 57,151.18 and 29,742.81

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Solution

The fourth proportional to 38,086.21, 57,151.18 and 29,742.81 is: 44,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.21 : 57,151.18 = 29,742.81 : x
  2. Step 2: Convert to fraction form
    38,086.21/57,151.18 = 29,742.81/x
  3. Step 3: Cross multiply
    38,086.21x = 57,151.18 × 29,742.81
  4. Step 4: Simplify right side
    38,086.21x = 1,699,836,327.90
  5. Step 5: Solve for x
    x = 1,699,836,327.90/38,086.21
  6. Step 6: Final answer
    x = 44,631.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.