Home / 49,711.96-74,544.90-18,538.84

Finding the Fourth Proportional to 49,711.96, 74,544.90 and 18,538.84

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Solution

The fourth proportional to 49,711.96, 74,544.90 and 18,538.84 is: 27,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,711.96 : 74,544.90 = 18,538.84 : x
  2. Step 2: Convert to fraction form
    49,711.96/74,544.90 = 18,538.84/x
  3. Step 3: Cross multiply
    49,711.96x = 74,544.90 × 18,538.84
  4. Step 4: Simplify right side
    49,711.96x = 1,381,975,973.92
  5. Step 5: Solve for x
    x = 1,381,975,973.92/49,711.96
  6. Step 6: Final answer
    x = 27,799.67

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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.