Home / 69,022.20-103,535.60-19,098.12

Finding the Fourth Proportional to 69,022.20, 103,535.60 and 19,098.12

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Solution

The fourth proportional to 69,022.20, 103,535.60 and 19,098.12 is: 28,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,022.20 : 103,535.60 = 19,098.12 : x
  2. Step 2: Convert to fraction form
    69,022.20/103,535.60 = 19,098.12/x
  3. Step 3: Cross multiply
    69,022.20x = 103,535.60 × 19,098.12
  4. Step 4: Simplify right side
    69,022.20x = 1,977,335,313.07
  5. Step 5: Solve for x
    x = 1,977,335,313.07/69,022.20
  6. Step 6: Final answer
    x = 28,647.82

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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.