Home / 69,439.87-95,832.91-39,230.73

Finding the Fourth Proportional to 69,439.87, 95,832.91 and 39,230.73

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Solution

The fourth proportional to 69,439.87, 95,832.91 and 39,230.73 is: 54,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.87 : 95,832.91 = 39,230.73 : x
  2. Step 2: Convert to fraction form
    69,439.87/95,832.91 = 39,230.73/x
  3. Step 3: Cross multiply
    69,439.87x = 95,832.91 × 39,230.73
  4. Step 4: Simplify right side
    69,439.87x = 3,759,595,017.32
  5. Step 5: Solve for x
    x = 3,759,595,017.32/69,439.87
  6. Step 6: Final answer
    x = 54,141.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.