Home / 68,439.04-102,662.24-21,695.56

Finding the Fourth Proportional to 68,439.04, 102,662.24 and 21,695.56

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Solution

The fourth proportional to 68,439.04, 102,662.24 and 21,695.56 is: 32,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,439.04 : 102,662.24 = 21,695.56 : x
  2. Step 2: Convert to fraction form
    68,439.04/102,662.24 = 21,695.56/x
  3. Step 3: Cross multiply
    68,439.04x = 102,662.24 × 21,695.56
  4. Step 4: Simplify right side
    68,439.04x = 2,227,314,787.65
  5. Step 5: Solve for x
    x = 2,227,314,787.65/68,439.04
  6. Step 6: Final answer
    x = 32,544.51

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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.