Home / 51,311.82-76,904.86-29,143.86

Finding the Fourth Proportional to 51,311.82, 76,904.86 and 29,143.86

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Solution

The fourth proportional to 51,311.82, 76,904.86 and 29,143.86 is: 43,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.82 : 76,904.86 = 29,143.86 : x
  2. Step 2: Convert to fraction form
    51,311.82/76,904.86 = 29,143.86/x
  3. Step 3: Cross multiply
    51,311.82x = 76,904.86 × 29,143.86
  4. Step 4: Simplify right side
    51,311.82x = 2,241,304,473.16
  5. Step 5: Solve for x
    x = 2,241,304,473.16/51,311.82
  6. Step 6: Final answer
    x = 43,680.08

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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.