Home / 49,113.67-73,608.88-21,000.68

Finding the Fourth Proportional to 49,113.67, 73,608.88 and 21,000.68

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Solution

The fourth proportional to 49,113.67, 73,608.88 and 21,000.68 is: 31,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,113.67 : 73,608.88 = 21,000.68 : x
  2. Step 2: Convert to fraction form
    49,113.67/73,608.88 = 21,000.68/x
  3. Step 3: Cross multiply
    49,113.67x = 73,608.88 × 21,000.68
  4. Step 4: Simplify right side
    49,113.67x = 1,545,836,429.04
  5. Step 5: Solve for x
    x = 1,545,836,429.04/49,113.67
  6. Step 6: Final answer
    x = 31,474.67

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1.5x scale

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.