Home / 49,500.61-74,287.82-19,918.70

Finding the Fourth Proportional to 49,500.61, 74,287.82 and 19,918.70

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Solution

The fourth proportional to 49,500.61, 74,287.82 and 19,918.70 is: 29,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,500.61 : 74,287.82 = 19,918.70 : x
  2. Step 2: Convert to fraction form
    49,500.61/74,287.82 = 19,918.70/x
  3. Step 3: Cross multiply
    49,500.61x = 74,287.82 × 19,918.70
  4. Step 4: Simplify right side
    49,500.61x = 1,479,716,800.23
  5. Step 5: Solve for x
    x = 1,479,716,800.23/49,500.61
  6. Step 6: Final answer
    x = 29,892.90

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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.