Home / 49,683.16-74,481.12-19,718.55

Finding the Fourth Proportional to 49,683.16, 74,481.12 and 19,718.55

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Solution

The fourth proportional to 49,683.16, 74,481.12 and 19,718.55 is: 29,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,683.16 : 74,481.12 = 19,718.55 : x
  2. Step 2: Convert to fraction form
    49,683.16/74,481.12 = 19,718.55/x
  3. Step 3: Cross multiply
    49,683.16x = 74,481.12 × 19,718.55
  4. Step 4: Simplify right side
    49,683.16x = 1,468,659,396.11
  5. Step 5: Solve for x
    x = 1,468,659,396.11/49,683.16
  6. Step 6: Final answer
    x = 29,560.51

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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.