Home / 49,953.43-74,954.58-21,869.65

Finding the Fourth Proportional to 49,953.43, 74,954.58 and 21,869.65

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Solution

The fourth proportional to 49,953.43, 74,954.58 and 21,869.65 is: 32,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.43 : 74,954.58 = 21,869.65 : x
  2. Step 2: Convert to fraction form
    49,953.43/74,954.58 = 21,869.65/x
  3. Step 3: Cross multiply
    49,953.43x = 74,954.58 × 21,869.65
  4. Step 4: Simplify right side
    49,953.43x = 1,639,230,430.50
  5. Step 5: Solve for x
    x = 1,639,230,430.50/49,953.43
  6. Step 6: Final answer
    x = 32,815.17

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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.