Home / 31,467.15-43,439.09-22,398.39

Finding the Fourth Proportional to 31,467.15, 43,439.09 and 22,398.39

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Solution

The fourth proportional to 31,467.15, 43,439.09 and 22,398.39 is: 30,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.15 : 43,439.09 = 22,398.39 : x
  2. Step 2: Convert to fraction form
    31,467.15/43,439.09 = 22,398.39/x
  3. Step 3: Cross multiply
    31,467.15x = 43,439.09 × 22,398.39
  4. Step 4: Simplify right side
    31,467.15x = 972,965,567.07
  5. Step 5: Solve for x
    x = 972,965,567.07/31,467.15
  6. Step 6: Final answer
    x = 30,920.04

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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.