Home / 34,511.38-51,742.91-13,433.72

Finding the Fourth Proportional to 34,511.38, 51,742.91 and 13,433.72

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Solution

The fourth proportional to 34,511.38, 51,742.91 and 13,433.72 is: 20,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,511.38 : 51,742.91 = 13,433.72 : x
  2. Step 2: Convert to fraction form
    34,511.38/51,742.91 = 13,433.72/x
  3. Step 3: Cross multiply
    34,511.38x = 51,742.91 × 13,433.72
  4. Step 4: Simplify right side
    34,511.38x = 695,099,539.79
  5. Step 5: Solve for x
    x = 695,099,539.79/34,511.38
  6. Step 6: Final answer
    x = 20,141.17

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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.