Home / 49,891.09-74,846.50-18,301.45

Finding the Fourth Proportional to 49,891.09, 74,846.50 and 18,301.45

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Solution

The fourth proportional to 49,891.09, 74,846.50 and 18,301.45 is: 27,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,891.09 : 74,846.50 = 18,301.45 : x
  2. Step 2: Convert to fraction form
    49,891.09/74,846.50 = 18,301.45/x
  3. Step 3: Cross multiply
    49,891.09x = 74,846.50 × 18,301.45
  4. Step 4: Simplify right side
    49,891.09x = 1,369,799,325.65
  5. Step 5: Solve for x
    x = 1,369,799,325.65/49,891.09
  6. Step 6: Final answer
    x = 27,455.79

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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.