Home / 51,015.31-76,502.46-19,414.52

Finding the Fourth Proportional to 51,015.31, 76,502.46 and 19,414.52

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Solution

The fourth proportional to 51,015.31, 76,502.46 and 19,414.52 is: 29,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.31 : 76,502.46 = 19,414.52 : x
  2. Step 2: Convert to fraction form
    51,015.31/76,502.46 = 19,414.52/x
  3. Step 3: Cross multiply
    51,015.31x = 76,502.46 × 19,414.52
  4. Step 4: Simplify right side
    51,015.31x = 1,485,258,539.72
  5. Step 5: Solve for x
    x = 1,485,258,539.72/51,015.31
  6. Step 6: Final answer
    x = 29,113.98

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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.