Home / 69,025.26-103,540.18-19,101.18

Finding the Fourth Proportional to 69,025.26, 103,540.18 and 19,101.18

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Solution

The fourth proportional to 69,025.26, 103,540.18 and 19,101.18 is: 28,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,025.26 : 103,540.18 = 19,101.18 : x
  2. Step 2: Convert to fraction form
    69,025.26/103,540.18 = 19,101.18/x
  3. Step 3: Cross multiply
    69,025.26x = 103,540.18 × 19,101.18
  4. Step 4: Simplify right side
    69,025.26x = 1,977,739,615.41
  5. Step 5: Solve for x
    x = 1,977,739,615.41/69,025.26
  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.