Home / 49,954.43-74,956.08-21,870.65

Finding the Fourth Proportional to 49,954.43, 74,956.08 and 21,870.65

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Solution

The fourth proportional to 49,954.43, 74,956.08 and 21,870.65 is: 32,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.43 : 74,956.08 = 21,870.65 : x
  2. Step 2: Convert to fraction form
    49,954.43/74,956.08 = 21,870.65/x
  3. Step 3: Cross multiply
    49,954.43x = 74,956.08 × 21,870.65
  4. Step 4: Simplify right side
    49,954.43x = 1,639,338,191.05
  5. Step 5: Solve for x
    x = 1,639,338,191.05/49,954.43
  6. Step 6: Final answer
    x = 32,816.67

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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.