Home / 40,766.49-61,166.07-18,590.31

Finding the Fourth Proportional to 40,766.49, 61,166.07 and 18,590.31

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Solution

The fourth proportional to 40,766.49, 61,166.07 and 18,590.31 is: 27,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,766.49 : 61,166.07 = 18,590.31 : x
  2. Step 2: Convert to fraction form
    40,766.49/61,166.07 = 18,590.31/x
  3. Step 3: Cross multiply
    40,766.49x = 61,166.07 × 18,590.31
  4. Step 4: Simplify right side
    40,766.49x = 1,137,096,202.78
  5. Step 5: Solve for x
    x = 1,137,096,202.78/40,766.49
  6. Step 6: Final answer
    x = 27,892.91

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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.