Home / 40,859.40-61,287.88-11,279.04

Finding the Fourth Proportional to 40,859.40, 61,287.88 and 11,279.04

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Solution

The fourth proportional to 40,859.40, 61,287.88 and 11,279.04 is: 16,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,859.40 : 61,287.88 = 11,279.04 : x
  2. Step 2: Convert to fraction form
    40,859.40/61,287.88 = 11,279.04/x
  3. Step 3: Cross multiply
    40,859.40x = 61,287.88 × 11,279.04
  4. Step 4: Simplify right side
    40,859.40x = 691,268,450.04
  5. Step 5: Solve for x
    x = 691,268,450.04/40,859.40
  6. Step 6: Final answer
    x = 16,918.22

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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.