Home / 51,668.73-71,298.20-30,160.35

Finding the Fourth Proportional to 51,668.73, 71,298.20 and 30,160.35

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Solution

The fourth proportional to 51,668.73, 71,298.20 and 30,160.35 is: 41,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,668.73 : 71,298.20 = 30,160.35 : x
  2. Step 2: Convert to fraction form
    51,668.73/71,298.20 = 30,160.35/x
  3. Step 3: Cross multiply
    51,668.73x = 71,298.20 × 30,160.35
  4. Step 4: Simplify right side
    51,668.73x = 2,150,378,741.77
  5. Step 5: Solve for x
    x = 2,150,378,741.77/51,668.73
  6. Step 6: Final answer
    x = 41,618.57

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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.