Home / 69,018.90-103,528.21-19,098.85

Finding the Fourth Proportional to 69,018.90, 103,528.21 and 19,098.85

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Solution

The fourth proportional to 69,018.90, 103,528.21 and 19,098.85 is: 28,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,018.90 : 103,528.21 = 19,098.85 : x
  2. Step 2: Convert to fraction form
    69,018.90/103,528.21 = 19,098.85/x
  3. Step 3: Cross multiply
    69,018.90x = 103,528.21 × 19,098.85
  4. Step 4: Simplify right side
    69,018.90x = 1,977,269,753.56
  5. Step 5: Solve for x
    x = 1,977,269,753.56/69,018.90
  6. Step 6: Final answer
    x = 28,648.24

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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.