Home / 41,688.38-62,516.62-20,621.19

Finding the Fourth Proportional to 41,688.38, 62,516.62 and 20,621.19

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Solution

The fourth proportional to 41,688.38, 62,516.62 and 20,621.19 is: 30,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688.38 : 62,516.62 = 20,621.19 : x
  2. Step 2: Convert to fraction form
    41,688.38/62,516.62 = 20,621.19/x
  3. Step 3: Cross multiply
    41,688.38x = 62,516.62 × 20,621.19
  4. Step 4: Simplify right side
    41,688.38x = 1,289,167,359.39
  5. Step 5: Solve for x
    x = 1,289,167,359.39/41,688.38
  6. Step 6: Final answer
    x = 30,923.90

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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.