Home / 51,619.92-71,234.36-28,958.50

Finding the Fourth Proportional to 51,619.92, 71,234.36 and 28,958.50

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Solution

The fourth proportional to 51,619.92, 71,234.36 and 28,958.50 is: 39,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.92 : 71,234.36 = 28,958.50 : x
  2. Step 2: Convert to fraction form
    51,619.92/71,234.36 = 28,958.50/x
  3. Step 3: Cross multiply
    51,619.92x = 71,234.36 × 28,958.50
  4. Step 4: Simplify right side
    51,619.92x = 2,062,840,214.06
  5. Step 5: Solve for x
    x = 2,062,840,214.06/51,619.92
  6. Step 6: Final answer
    x = 39,962.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.