Home / 51,085.87-70,469.34-30,662.46

Finding the Fourth Proportional to 51,085.87, 70,469.34 and 30,662.46

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Solution

The fourth proportional to 51,085.87, 70,469.34 and 30,662.46 is: 42,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,085.87 : 70,469.34 = 30,662.46 : x
  2. Step 2: Convert to fraction form
    51,085.87/70,469.34 = 30,662.46/x
  3. Step 3: Cross multiply
    51,085.87x = 70,469.34 × 30,662.46
  4. Step 4: Simplify right side
    51,085.87x = 2,160,763,318.98
  5. Step 5: Solve for x
    x = 2,160,763,318.98/51,085.87
  6. Step 6: Final answer
    x = 42,296.69

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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.