Home / 69,025.25-103,540.19-19,101.17

Finding the Fourth Proportional to 69,025.25, 103,540.19 and 19,101.17

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Solution

The fourth proportional to 69,025.25, 103,540.19 and 19,101.17 is: 28,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,025.25 : 103,540.19 = 19,101.17 : x
  2. Step 2: Convert to fraction form
    69,025.25/103,540.19 = 19,101.17/x
  3. Step 3: Cross multiply
    69,025.25x = 103,540.19 × 19,101.17
  4. Step 4: Simplify right side
    69,025.25x = 1,977,738,771.02
  5. Step 5: Solve for x
    x = 1,977,738,771.02/69,025.25
  6. Step 6: Final answer
    x = 28,652.40

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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.