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Finding the Fourth Proportional to 49,859.79, 74,801.99 and 14,799.43

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Solution

The fourth proportional to 49,859.79, 74,801.99 and 14,799.43 is: 22,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,859.79 : 74,801.99 = 14,799.43 : x
  2. Step 2: Convert to fraction form
    49,859.79/74,801.99 = 14,799.43/x
  3. Step 3: Cross multiply
    49,859.79x = 74,801.99 × 14,799.43
  4. Step 4: Simplify right side
    49,859.79x = 1,107,026,814.87
  5. Step 5: Solve for x
    x = 1,107,026,814.87/49,859.79
  6. Step 6: Final answer
    x = 22,202.80

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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.