Home / 38,101.89-57,131.99-30,254.81

Finding the Fourth Proportional to 38,101.89, 57,131.99 and 30,254.81

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Solution

The fourth proportional to 38,101.89, 57,131.99 and 30,254.81 is: 45,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.89 : 57,131.99 = 30,254.81 : x
  2. Step 2: Convert to fraction form
    38,101.89/57,131.99 = 30,254.81/x
  3. Step 3: Cross multiply
    38,101.89x = 57,131.99 × 30,254.81
  4. Step 4: Simplify right side
    38,101.89x = 1,728,517,502.37
  5. Step 5: Solve for x
    x = 1,728,517,502.37/38,101.89
  6. Step 6: Final answer
    x = 45,365.66

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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.