Home / 51,711.82-71,366.61-30,495.22

Finding the Fourth Proportional to 51,711.82, 71,366.61 and 30,495.22

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Solution

The fourth proportional to 51,711.82, 71,366.61 and 30,495.22 is: 42,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.82 : 71,366.61 = 30,495.22 : x
  2. Step 2: Convert to fraction form
    51,711.82/71,366.61 = 30,495.22/x
  3. Step 3: Cross multiply
    51,711.82x = 71,366.61 × 30,495.22
  4. Step 4: Simplify right side
    51,711.82x = 2,176,340,472.60
  5. Step 5: Solve for x
    x = 2,176,340,472.60/51,711.82
  6. Step 6: Final answer
    x = 42,085.94

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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.