Home / 51,343.82-77,023.04-15,808.12

Finding the Fourth Proportional to 51,343.82, 77,023.04 and 15,808.12

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Solution

The fourth proportional to 51,343.82, 77,023.04 and 15,808.12 is: 23,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,343.82 : 77,023.04 = 15,808.12 : x
  2. Step 2: Convert to fraction form
    51,343.82/77,023.04 = 15,808.12/x
  3. Step 3: Cross multiply
    51,343.82x = 77,023.04 × 15,808.12
  4. Step 4: Simplify right side
    51,343.82x = 1,217,589,459.08
  5. Step 5: Solve for x
    x = 1,217,589,459.08/51,343.82
  6. Step 6: Final answer
    x = 23,714.43

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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.