Home / 36,090.78-54,145.40-15,023.81

Finding the Fourth Proportional to 36,090.78, 54,145.40 and 15,023.81

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Solution

The fourth proportional to 36,090.78, 54,145.40 and 15,023.81 is: 22,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.78 : 54,145.40 = 15,023.81 : x
  2. Step 2: Convert to fraction form
    36,090.78/54,145.40 = 15,023.81/x
  3. Step 3: Cross multiply
    36,090.78x = 54,145.40 × 15,023.81
  4. Step 4: Simplify right side
    36,090.78x = 813,470,262.22
  5. Step 5: Solve for x
    x = 813,470,262.22/36,090.78
  6. Step 6: Final answer
    x = 22,539.56

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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.