Home / 49,920.42-74,828.16-19,922.88

Finding the Fourth Proportional to 49,920.42, 74,828.16 and 19,922.88

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Solution

The fourth proportional to 49,920.42, 74,828.16 and 19,922.88 is: 29,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920.42 : 74,828.16 = 19,922.88 : x
  2. Step 2: Convert to fraction form
    49,920.42/74,828.16 = 19,922.88/x
  3. Step 3: Cross multiply
    49,920.42x = 74,828.16 × 19,922.88
  4. Step 4: Simplify right side
    49,920.42x = 1,490,792,452.30
  5. Step 5: Solve for x
    x = 1,490,792,452.30/49,920.42
  6. Step 6: Final answer
    x = 29,863.38

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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.