Home / 49,874.14-74,815.90-19,881.15

Finding the Fourth Proportional to 49,874.14, 74,815.90 and 19,881.15

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Solution

The fourth proportional to 49,874.14, 74,815.90 and 19,881.15 is: 29,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,874.14 : 74,815.90 = 19,881.15 : x
  2. Step 2: Convert to fraction form
    49,874.14/74,815.90 = 19,881.15/x
  3. Step 3: Cross multiply
    49,874.14x = 74,815.90 × 19,881.15
  4. Step 4: Simplify right side
    49,874.14x = 1,487,426,130.29
  5. Step 5: Solve for x
    x = 1,487,426,130.29/49,874.14
  6. Step 6: Final answer
    x = 29,823.59

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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.