Home / 31,247.15-43,141.19-27,884.18

Finding the Fourth Proportional to 31,247.15, 43,141.19 and 27,884.18

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Solution

The fourth proportional to 31,247.15, 43,141.19 and 27,884.18 is: 38,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.15 : 43,141.19 = 27,884.18 : x
  2. Step 2: Convert to fraction form
    31,247.15/43,141.19 = 27,884.18/x
  3. Step 3: Cross multiply
    31,247.15x = 43,141.19 × 27,884.18
  4. Step 4: Simplify right side
    31,247.15x = 1,202,956,707.37
  5. Step 5: Solve for x
    x = 1,202,956,707.37/31,247.15
  6. Step 6: Final answer
    x = 38,498.13

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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.