Home / 49,545.89-74,332.62-19,956.81

Finding the Fourth Proportional to 49,545.89, 74,332.62 and 19,956.81

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Solution

The fourth proportional to 49,545.89, 74,332.62 and 19,956.81 is: 29,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,545.89 : 74,332.62 = 19,956.81 : x
  2. Step 2: Convert to fraction form
    49,545.89/74,332.62 = 19,956.81/x
  3. Step 3: Cross multiply
    49,545.89x = 74,332.62 × 19,956.81
  4. Step 4: Simplify right side
    49,545.89x = 1,483,441,974.14
  5. Step 5: Solve for x
    x = 1,483,441,974.14/49,545.89
  6. Step 6: Final answer
    x = 29,940.77

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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.