Home / 51,711.54-71,357.72-29,049.30

Finding the Fourth Proportional to 51,711.54, 71,357.72 and 29,049.30

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Solution

The fourth proportional to 51,711.54, 71,357.72 and 29,049.30 is: 40,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.54 : 71,357.72 = 29,049.30 : x
  2. Step 2: Convert to fraction form
    51,711.54/71,357.72 = 29,049.30/x
  3. Step 3: Cross multiply
    51,711.54x = 71,357.72 × 29,049.30
  4. Step 4: Simplify right side
    51,711.54x = 2,072,891,815.60
  5. Step 5: Solve for x
    x = 2,072,891,815.60/51,711.54
  6. Step 6: Final answer
    x = 40,085.67

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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.