Home / 38,130.26-57,181.34-13,163.90

Finding the Fourth Proportional to 38,130.26, 57,181.34 and 13,163.90

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Solution

The fourth proportional to 38,130.26, 57,181.34 and 13,163.90 is: 19,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130.26 : 57,181.34 = 13,163.90 : x
  2. Step 2: Convert to fraction form
    38,130.26/57,181.34 = 13,163.90/x
  3. Step 3: Cross multiply
    38,130.26x = 57,181.34 × 13,163.90
  4. Step 4: Simplify right side
    38,130.26x = 752,729,188.63
  5. Step 5: Solve for x
    x = 752,729,188.63/38,130.26
  6. Step 6: Final answer
    x = 19,741.00

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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.