Home / 31,399.14-43,288.92-26,903.64

Finding the Fourth Proportional to 31,399.14, 43,288.92 and 26,903.64

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Solution

The fourth proportional to 31,399.14, 43,288.92 and 26,903.64 is: 37,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.14 : 43,288.92 = 26,903.64 : x
  2. Step 2: Convert to fraction form
    31,399.14/43,288.92 = 26,903.64/x
  3. Step 3: Cross multiply
    31,399.14x = 43,288.92 × 26,903.64
  4. Step 4: Simplify right side
    31,399.14x = 1,164,629,519.67
  5. Step 5: Solve for x
    x = 1,164,629,519.67/31,399.14
  6. Step 6: Final answer
    x = 37,091.13

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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.