Home / 31,246.71-43,140.59-27,883.74

Finding the Fourth Proportional to 31,246.71, 43,140.59 and 27,883.74

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Solution

The fourth proportional to 31,246.71, 43,140.59 and 27,883.74 is: 38,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.71 : 43,140.59 = 27,883.74 : x
  2. Step 2: Convert to fraction form
    31,246.71/43,140.59 = 27,883.74/x
  3. Step 3: Cross multiply
    31,246.71x = 43,140.59 × 27,883.74
  4. Step 4: Simplify right side
    31,246.71x = 1,202,920,855.59
  5. Step 5: Solve for x
    x = 1,202,920,855.59/31,246.71
  6. Step 6: Final answer
    x = 38,497.52

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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.