Home / 51,635.62-71,251.37-28,969.90

Finding the Fourth Proportional to 51,635.62, 71,251.37 and 28,969.90

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Solution

The fourth proportional to 51,635.62, 71,251.37 and 28,969.90 is: 39,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,635.62 : 71,251.37 = 28,969.90 : x
  2. Step 2: Convert to fraction form
    51,635.62/71,251.37 = 28,969.90/x
  3. Step 3: Cross multiply
    51,635.62x = 71,251.37 × 28,969.90
  4. Step 4: Simplify right side
    51,635.62x = 2,064,144,740.79
  5. Step 5: Solve for x
    x = 2,064,144,740.79/51,635.62
  6. Step 6: Final answer
    x = 39,975.21

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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.