Home / 49,645.71-74,521.62-20,082.87

Finding the Fourth Proportional to 49,645.71, 74,521.62 and 20,082.87

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Solution

The fourth proportional to 49,645.71, 74,521.62 and 20,082.87 is: 30,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.71 : 74,521.62 = 20,082.87 : x
  2. Step 2: Convert to fraction form
    49,645.71/74,521.62 = 20,082.87/x
  3. Step 3: Cross multiply
    49,645.71x = 74,521.62 × 20,082.87
  4. Step 4: Simplify right side
    49,645.71x = 1,496,608,006.65
  5. Step 5: Solve for x
    x = 1,496,608,006.65/49,645.71
  6. Step 6: Final answer
    x = 30,145.77

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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.