Home / 49,772.20-74,658.30-18,605.80

Finding the Fourth Proportional to 49,772.20, 74,658.30 and 18,605.80

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Solution

The fourth proportional to 49,772.20, 74,658.30 and 18,605.80 is: 27,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.20 : 74,658.30 = 18,605.80 : x
  2. Step 2: Convert to fraction form
    49,772.20/74,658.30 = 18,605.80/x
  3. Step 3: Cross multiply
    49,772.20x = 74,658.30 × 18,605.80
  4. Step 4: Simplify right side
    49,772.20x = 1,389,077,398.14
  5. Step 5: Solve for x
    x = 1,389,077,398.14/49,772.20
  6. Step 6: Final answer
    x = 27,908.70

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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.