Home / 31,228.14-43,054.16-22,731.65

Finding the Fourth Proportional to 31,228.14, 43,054.16 and 22,731.65

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Solution

The fourth proportional to 31,228.14, 43,054.16 and 22,731.65 is: 31,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.14 : 43,054.16 = 22,731.65 : x
  2. Step 2: Convert to fraction form
    31,228.14/43,054.16 = 22,731.65/x
  3. Step 3: Cross multiply
    31,228.14x = 43,054.16 × 22,731.65
  4. Step 4: Simplify right side
    31,228.14x = 978,691,767.23
  5. Step 5: Solve for x
    x = 978,691,767.23/31,228.14
  6. Step 6: Final answer
    x = 31,340.06

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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.