Home / 47,431.14-65,468.61-31,310.22

Finding the Fourth Proportional to 47,431.14, 65,468.61 and 31,310.22

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Solution

The fourth proportional to 47,431.14, 65,468.61 and 31,310.22 is: 43,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.14 : 65,468.61 = 31,310.22 : x
  2. Step 2: Convert to fraction form
    47,431.14/65,468.61 = 31,310.22/x
  3. Step 3: Cross multiply
    47,431.14x = 65,468.61 × 31,310.22
  4. Step 4: Simplify right side
    47,431.14x = 2,049,836,582.19
  5. Step 5: Solve for x
    x = 2,049,836,582.19/47,431.14
  6. Step 6: Final answer
    x = 43,217.11

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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.