Home / 47,805.25-71,705.15-18,226.08

Finding the Fourth Proportional to 47,805.25, 71,705.15 and 18,226.08

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Solution

The fourth proportional to 47,805.25, 71,705.15 and 18,226.08 is: 27,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.25 : 71,705.15 = 18,226.08 : x
  2. Step 2: Convert to fraction form
    47,805.25/71,705.15 = 18,226.08/x
  3. Step 3: Cross multiply
    47,805.25x = 71,705.15 × 18,226.08
  4. Step 4: Simplify right side
    47,805.25x = 1,306,903,529.92
  5. Step 5: Solve for x
    x = 1,306,903,529.92/47,805.25
  6. Step 6: Final answer
    x = 27,338.07

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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.