Home / 79,516.07-119,274.01-20,351.76

Finding the Fourth Proportional to 79,516.07, 119,274.01 and 20,351.76

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Solution

The fourth proportional to 79,516.07, 119,274.01 and 20,351.76 is: 30,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.07 : 119,274.01 = 20,351.76 : x
  2. Step 2: Convert to fraction form
    79,516.07/119,274.01 = 20,351.76/x
  3. Step 3: Cross multiply
    79,516.07x = 119,274.01 × 20,351.76
  4. Step 4: Simplify right side
    79,516.07x = 2,427,435,974.88
  5. Step 5: Solve for x
    x = 2,427,435,974.88/79,516.07
  6. Step 6: Final answer
    x = 30,527.61

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1.5x scale

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.