Home / 49,818.87-74,713.73-18,646.83

Finding the Fourth Proportional to 49,818.87, 74,713.73 and 18,646.83

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Solution

The fourth proportional to 49,818.87, 74,713.73 and 18,646.83 is: 27,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,818.87 : 74,713.73 = 18,646.83 : x
  2. Step 2: Convert to fraction form
    49,818.87/74,713.73 = 18,646.83/x
  3. Step 3: Cross multiply
    49,818.87x = 74,713.73 × 18,646.83
  4. Step 4: Simplify right side
    49,818.87x = 1,393,174,128.74
  5. Step 5: Solve for x
    x = 1,393,174,128.74/49,818.87
  6. Step 6: Final answer
    x = 27,964.79

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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.