Home / 31,246.83-43,140.74-27,883.86

Finding the Fourth Proportional to 31,246.83, 43,140.74 and 27,883.86

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Solution

The fourth proportional to 31,246.83, 43,140.74 and 27,883.86 is: 38,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.83 : 43,140.74 = 27,883.86 : x
  2. Step 2: Convert to fraction form
    31,246.83/43,140.74 = 27,883.86/x
  3. Step 3: Cross multiply
    31,246.83x = 43,140.74 × 27,883.86
  4. Step 4: Simplify right side
    31,246.83x = 1,202,930,290.99
  5. Step 5: Solve for x
    x = 1,202,930,290.99/31,246.83
  6. Step 6: Final answer
    x = 38,497.68

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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.