Home / 49,948.82-74,934.18-18,784.06

Finding the Fourth Proportional to 49,948.82, 74,934.18 and 18,784.06

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Solution

The fourth proportional to 49,948.82, 74,934.18 and 18,784.06 is: 28,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,948.82 : 74,934.18 = 18,784.06 : x
  2. Step 2: Convert to fraction form
    49,948.82/74,934.18 = 18,784.06/x
  3. Step 3: Cross multiply
    49,948.82x = 74,934.18 × 18,784.06
  4. Step 4: Simplify right side
    49,948.82x = 1,407,568,133.17
  5. Step 5: Solve for x
    x = 1,407,568,133.17/49,948.82
  6. Step 6: Final answer
    x = 28,180.21

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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.