Home / 51,581.45-71,182.78-33,665.87

Finding the Fourth Proportional to 51,581.45, 71,182.78 and 33,665.87

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Solution

The fourth proportional to 51,581.45, 71,182.78 and 33,665.87 is: 46,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.45 : 71,182.78 = 33,665.87 : x
  2. Step 2: Convert to fraction form
    51,581.45/71,182.78 = 33,665.87/x
  3. Step 3: Cross multiply
    51,581.45x = 71,182.78 × 33,665.87
  4. Step 4: Simplify right side
    51,581.45x = 2,396,429,777.64
  5. Step 5: Solve for x
    x = 2,396,429,777.64/51,581.45
  6. Step 6: Final answer
    x = 46,459.14

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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.