Home / 49,872.90-74,809.20-18,285.32

Finding the Fourth Proportional to 49,872.90, 74,809.20 and 18,285.32

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Solution

The fourth proportional to 49,872.90, 74,809.20 and 18,285.32 is: 27,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.90 : 74,809.20 = 18,285.32 : x
  2. Step 2: Convert to fraction form
    49,872.90/74,809.20 = 18,285.32/x
  3. Step 3: Cross multiply
    49,872.90x = 74,809.20 × 18,285.32
  4. Step 4: Simplify right side
    49,872.90x = 1,367,910,160.94
  5. Step 5: Solve for x
    x = 1,367,910,160.94/49,872.90
  6. Step 6: Final answer
    x = 27,427.93

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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.