Home / 36,781.30-55,287.15-36,090.10

Finding the Fourth Proportional to 36,781.30, 55,287.15 and 36,090.10

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Solution

The fourth proportional to 36,781.30, 55,287.15 and 36,090.10 is: 54,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.30 : 55,287.15 = 36,090.10 : x
  2. Step 2: Convert to fraction form
    36,781.30/55,287.15 = 36,090.10/x
  3. Step 3: Cross multiply
    36,781.30x = 55,287.15 × 36,090.10
  4. Step 4: Simplify right side
    36,781.30x = 1,995,318,772.22
  5. Step 5: Solve for x
    x = 1,995,318,772.22/36,781.30
  6. Step 6: Final answer
    x = 54,248.19

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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.