Home / 49,689.27-74,550.32-20,090.96

Finding the Fourth Proportional to 49,689.27, 74,550.32 and 20,090.96

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Solution

The fourth proportional to 49,689.27, 74,550.32 and 20,090.96 is: 30,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.27 : 74,550.32 = 20,090.96 : x
  2. Step 2: Convert to fraction form
    49,689.27/74,550.32 = 20,090.96/x
  3. Step 3: Cross multiply
    49,689.27x = 74,550.32 × 20,090.96
  4. Step 4: Simplify right side
    49,689.27x = 1,497,787,583.03
  5. Step 5: Solve for x
    x = 1,497,787,583.03/49,689.27
  6. Step 6: Final answer
    x = 30,143.08

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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.