Home / 47,716.23-71,582.73-18,136.65

Finding the Fourth Proportional to 47,716.23, 71,582.73 and 18,136.65

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Solution

The fourth proportional to 47,716.23, 71,582.73 and 18,136.65 is: 27,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.23 : 71,582.73 = 18,136.65 : x
  2. Step 2: Convert to fraction form
    47,716.23/71,582.73 = 18,136.65/x
  3. Step 3: Cross multiply
    47,716.23x = 71,582.73 × 18,136.65
  4. Step 4: Simplify right side
    47,716.23x = 1,298,270,920.05
  5. Step 5: Solve for x
    x = 1,298,270,920.05/47,716.23
  6. Step 6: Final answer
    x = 27,208.16

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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.