Home / 49,710.09-74,565.14-18,122.52

Finding the Fourth Proportional to 49,710.09, 74,565.14 and 18,122.52

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Solution

The fourth proportional to 49,710.09, 74,565.14 and 18,122.52 is: 27,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,710.09 : 74,565.14 = 18,122.52 : x
  2. Step 2: Convert to fraction form
    49,710.09/74,565.14 = 18,122.52/x
  3. Step 3: Cross multiply
    49,710.09x = 74,565.14 × 18,122.52
  4. Step 4: Simplify right side
    49,710.09x = 1,351,308,240.95
  5. Step 5: Solve for x
    x = 1,351,308,240.95/49,710.09
  6. Step 6: Final answer
    x = 27,183.78

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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.