Home / 31,246.15-43,139.81-27,883.18

Finding the Fourth Proportional to 31,246.15, 43,139.81 and 27,883.18

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Solution

The fourth proportional to 31,246.15, 43,139.81 and 27,883.18 is: 38,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.15 : 43,139.81 = 27,883.18 : x
  2. Step 2: Convert to fraction form
    31,246.15/43,139.81 = 27,883.18/x
  3. Step 3: Cross multiply
    31,246.15x = 43,139.81 × 27,883.18
  4. Step 4: Simplify right side
    31,246.15x = 1,202,874,932.85
  5. Step 5: Solve for x
    x = 1,202,874,932.85/31,246.15
  6. Step 6: Final answer
    x = 38,496.74

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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.