Home / 69,023.20-103,537.10-19,099.12

Finding the Fourth Proportional to 69,023.20, 103,537.10 and 19,099.12

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Solution

The fourth proportional to 69,023.20, 103,537.10 and 19,099.12 is: 28,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,023.20 : 103,537.10 = 19,099.12 : x
  2. Step 2: Convert to fraction form
    69,023.20/103,537.10 = 19,099.12/x
  3. Step 3: Cross multiply
    69,023.20x = 103,537.10 × 19,099.12
  4. Step 4: Simplify right side
    69,023.20x = 1,977,467,497.35
  5. Step 5: Solve for x
    x = 1,977,467,497.35/69,023.20
  6. Step 6: Final answer
    x = 28,649.32

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1.5x scale

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.