Home / 31,326.87-43,288.31-22,814.18

Finding the Fourth Proportional to 31,326.87, 43,288.31 and 22,814.18

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Solution

The fourth proportional to 31,326.87, 43,288.31 and 22,814.18 is: 31,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.87 : 43,288.31 = 22,814.18 : x
  2. Step 2: Convert to fraction form
    31,326.87/43,288.31 = 22,814.18/x
  3. Step 3: Cross multiply
    31,326.87x = 43,288.31 × 22,814.18
  4. Step 4: Simplify right side
    31,326.87x = 987,587,136.83
  5. Step 5: Solve for x
    x = 987,587,136.83/31,326.87
  6. Step 6: Final answer
    x = 31,525.24

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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.