Home / 39,865.80-59,757.68-17,689.62

Finding the Fourth Proportional to 39,865.80, 59,757.68 and 17,689.62

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Solution

The fourth proportional to 39,865.80, 59,757.68 and 17,689.62 is: 26,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.80 : 59,757.68 = 17,689.62 : x
  2. Step 2: Convert to fraction form
    39,865.80/59,757.68 = 17,689.62/x
  3. Step 3: Cross multiply
    39,865.80x = 59,757.68 × 17,689.62
  4. Step 4: Simplify right side
    39,865.80x = 1,057,090,651.28
  5. Step 5: Solve for x
    x = 1,057,090,651.28/39,865.80
  6. Step 6: Final answer
    x = 26,516.23

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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.