Home / 69,847.43-104,787.41-19,928.21

Finding the Fourth Proportional to 69,847.43, 104,787.41 and 19,928.21

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Solution

The fourth proportional to 69,847.43, 104,787.41 and 19,928.21 is: 29,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,847.43 : 104,787.41 = 19,928.21 : x
  2. Step 2: Convert to fraction form
    69,847.43/104,787.41 = 19,928.21/x
  3. Step 3: Cross multiply
    69,847.43x = 104,787.41 × 19,928.21
  4. Step 4: Simplify right side
    69,847.43x = 2,088,224,888.26
  5. Step 5: Solve for x
    x = 2,088,224,888.26/69,847.43
  6. Step 6: Final answer
    x = 29,896.95

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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.