Home / 49,891.47-74,837.20-18,289.58

Finding the Fourth Proportional to 49,891.47, 74,837.20 and 18,289.58

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Solution

The fourth proportional to 49,891.47, 74,837.20 and 18,289.58 is: 27,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,891.47 : 74,837.20 = 18,289.58 : x
  2. Step 2: Convert to fraction form
    49,891.47/74,837.20 = 18,289.58/x
  3. Step 3: Cross multiply
    49,891.47x = 74,837.20 × 18,289.58
  4. Step 4: Simplify right side
    49,891.47x = 1,368,741,384.60
  5. Step 5: Solve for x
    x = 1,368,741,384.60/49,891.47
  6. Step 6: Final answer
    x = 27,434.38

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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.