Home / 44,105.45-66,165.53-20,436.71

Finding the Fourth Proportional to 44,105.45, 66,165.53 and 20,436.71

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Solution

The fourth proportional to 44,105.45, 66,165.53 and 20,436.71 is: 30,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,105.45 : 66,165.53 = 20,436.71 : x
  2. Step 2: Convert to fraction form
    44,105.45/66,165.53 = 20,436.71/x
  3. Step 3: Cross multiply
    44,105.45x = 66,165.53 × 20,436.71
  4. Step 4: Simplify right side
    44,105.45x = 1,352,205,315.60
  5. Step 5: Solve for x
    x = 1,352,205,315.60/44,105.45
  6. Step 6: Final answer
    x = 30,658.47

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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.