Home / 51,146.22-76,683.48-19,555

Finding the Fourth Proportional to 51,146.22, 76,683.48 and 19,555

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Solution

The fourth proportional to 51,146.22, 76,683.48 and 19,555 is: 29,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,146.22 : 76,683.48 = 19,555 : x
  2. Step 2: Convert to fraction form
    51,146.22/76,683.48 = 19,555/x
  3. Step 3: Cross multiply
    51,146.22x = 76,683.48 × 19,555
  4. Step 4: Simplify right side
    51,146.22x = 1,499,545,451.40
  5. Step 5: Solve for x
    x = 1,499,545,451.40/51,146.22
  6. Step 6: Final answer
    x = 29,318.79

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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.