Home / 45,033.38-67,553.46-13,440.96

Finding the Fourth Proportional to 45,033.38, 67,553.46 and 13,440.96

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Solution

The fourth proportional to 45,033.38, 67,553.46 and 13,440.96 is: 20,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,033.38 : 67,553.46 = 13,440.96 : x
  2. Step 2: Convert to fraction form
    45,033.38/67,553.46 = 13,440.96/x
  3. Step 3: Cross multiply
    45,033.38x = 67,553.46 × 13,440.96
  4. Step 4: Simplify right side
    45,033.38x = 907,983,353.72
  5. Step 5: Solve for x
    x = 907,983,353.72/45,033.38
  6. Step 6: Final answer
    x = 20,162.45

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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.