Home / 49,545.15-74,299.78-21,084

Finding the Fourth Proportional to 49,545.15, 74,299.78 and 21,084

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Solution

The fourth proportional to 49,545.15, 74,299.78 and 21,084 is: 31,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,545.15 : 74,299.78 = 21,084 : x
  2. Step 2: Convert to fraction form
    49,545.15/74,299.78 = 21,084/x
  3. Step 3: Cross multiply
    49,545.15x = 74,299.78 × 21,084
  4. Step 4: Simplify right side
    49,545.15x = 1,566,536,561.52
  5. Step 5: Solve for x
    x = 1,566,536,561.52/49,545.15
  6. Step 6: Final answer
    x = 31,618.36

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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.