Home / 31,963.92-44,115.96-20,037.60

Finding the Fourth Proportional to 31,963.92, 44,115.96 and 20,037.60

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Solution

The fourth proportional to 31,963.92, 44,115.96 and 20,037.60 is: 27,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.92 : 44,115.96 = 20,037.60 : x
  2. Step 2: Convert to fraction form
    31,963.92/44,115.96 = 20,037.60/x
  3. Step 3: Cross multiply
    31,963.92x = 44,115.96 × 20,037.60
  4. Step 4: Simplify right side
    31,963.92x = 883,977,960.10
  5. Step 5: Solve for x
    x = 883,977,960.10/31,963.92
  6. Step 6: Final answer
    x = 27,655.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.