Home / 40,781.14-61,172.88-11,199.22

Finding the Fourth Proportional to 40,781.14, 61,172.88 and 11,199.22

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Solution

The fourth proportional to 40,781.14, 61,172.88 and 11,199.22 is: 16,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.14 : 61,172.88 = 11,199.22 : x
  2. Step 2: Convert to fraction form
    40,781.14/61,172.88 = 11,199.22/x
  3. Step 3: Cross multiply
    40,781.14x = 61,172.88 × 11,199.22
  4. Step 4: Simplify right side
    40,781.14x = 685,088,541.15
  5. Step 5: Solve for x
    x = 685,088,541.15/40,781.14
  6. Step 6: Final answer
    x = 16,799.15

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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.