Home / 50,450.04-75,631.14-20,849.40

Finding the Fourth Proportional to 50,450.04, 75,631.14 and 20,849.40

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Solution

The fourth proportional to 50,450.04, 75,631.14 and 20,849.40 is: 31,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,450.04 : 75,631.14 = 20,849.40 : x
  2. Step 2: Convert to fraction form
    50,450.04/75,631.14 = 20,849.40/x
  3. Step 3: Cross multiply
    50,450.04x = 75,631.14 × 20,849.40
  4. Step 4: Simplify right side
    50,450.04x = 1,576,863,890.32
  5. Step 5: Solve for x
    x = 1,576,863,890.32/50,450.04
  6. Step 6: Final answer
    x = 31,255.95

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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.