Home / 48,084.79-72,119.89-16,912.75

Finding the Fourth Proportional to 48,084.79, 72,119.89 and 16,912.75

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Solution

The fourth proportional to 48,084.79, 72,119.89 and 16,912.75 is: 25,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,084.79 : 72,119.89 = 16,912.75 : x
  2. Step 2: Convert to fraction form
    48,084.79/72,119.89 = 16,912.75/x
  3. Step 3: Cross multiply
    48,084.79x = 72,119.89 × 16,912.75
  4. Step 4: Simplify right side
    48,084.79x = 1,219,745,669.60
  5. Step 5: Solve for x
    x = 1,219,745,669.60/48,084.79
  6. Step 6: Final answer
    x = 25,366.56

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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.