Home / 49,284.65-73,979.61-21,218.62

Finding the Fourth Proportional to 49,284.65, 73,979.61 and 21,218.62

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Solution

The fourth proportional to 49,284.65, 73,979.61 and 21,218.62 is: 31,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,284.65 : 73,979.61 = 21,218.62 : x
  2. Step 2: Convert to fraction form
    49,284.65/73,979.61 = 21,218.62/x
  3. Step 3: Cross multiply
    49,284.65x = 73,979.61 × 21,218.62
  4. Step 4: Simplify right side
    49,284.65x = 1,569,745,232.34
  5. Step 5: Solve for x
    x = 1,569,745,232.34/49,284.65
  6. Step 6: Final answer
    x = 31,850.59

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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.