Home / 31,621.14-43,562.94-22,043.61

Finding the Fourth Proportional to 31,621.14, 43,562.94 and 22,043.61

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Solution

The fourth proportional to 31,621.14, 43,562.94 and 22,043.61 is: 30,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.14 : 43,562.94 = 22,043.61 : x
  2. Step 2: Convert to fraction form
    31,621.14/43,562.94 = 22,043.61/x
  3. Step 3: Cross multiply
    31,621.14x = 43,562.94 × 22,043.61
  4. Step 4: Simplify right side
    31,621.14x = 960,284,459.81
  5. Step 5: Solve for x
    x = 960,284,459.81/31,621.14
  6. Step 6: Final answer
    x = 30,368.43

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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.