Home / 51,239.40-76,856.22-19,664.52

Finding the Fourth Proportional to 51,239.40, 76,856.22 and 19,664.52

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Solution

The fourth proportional to 51,239.40, 76,856.22 and 19,664.52 is: 29,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.40 : 76,856.22 = 19,664.52 : x
  2. Step 2: Convert to fraction form
    51,239.40/76,856.22 = 19,664.52/x
  3. Step 3: Cross multiply
    51,239.40x = 76,856.22 × 19,664.52
  4. Step 4: Simplify right side
    51,239.40x = 1,511,340,675.31
  5. Step 5: Solve for x
    x = 1,511,340,675.31/51,239.40
  6. Step 6: Final answer
    x = 29,495.67

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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.