Home / 49,772.11-74,613.34-18,160.11

Finding the Fourth Proportional to 49,772.11, 74,613.34 and 18,160.11

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Solution

The fourth proportional to 49,772.11, 74,613.34 and 18,160.11 is: 27,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.11 : 74,613.34 = 18,160.11 : x
  2. Step 2: Convert to fraction form
    49,772.11/74,613.34 = 18,160.11/x
  3. Step 3: Cross multiply
    49,772.11x = 74,613.34 × 18,160.11
  4. Step 4: Simplify right side
    49,772.11x = 1,354,986,461.87
  5. Step 5: Solve for x
    x = 1,354,986,461.87/49,772.11
  6. Step 6: Final answer
    x = 27,223.81

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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.