Home / 39,958.38-59,890.92-30,065.88

Finding the Fourth Proportional to 39,958.38, 59,890.92 and 30,065.88

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Solution

The fourth proportional to 39,958.38, 59,890.92 and 30,065.88 is: 45,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.38 : 59,890.92 = 30,065.88 : x
  2. Step 2: Convert to fraction form
    39,958.38/59,890.92 = 30,065.88/x
  3. Step 3: Cross multiply
    39,958.38x = 59,890.92 × 30,065.88
  4. Step 4: Simplify right side
    39,958.38x = 1,800,673,213.81
  5. Step 5: Solve for x
    x = 1,800,673,213.81/39,958.38
  6. Step 6: Final answer
    x = 45,063.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.