Home / 31,554.31-43,544.31-18,125.22

Finding the Fourth Proportional to 31,554.31, 43,544.31 and 18,125.22

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Solution

The fourth proportional to 31,554.31, 43,544.31 and 18,125.22 is: 25,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.31 : 43,544.31 = 18,125.22 : x
  2. Step 2: Convert to fraction form
    31,554.31/43,544.31 = 18,125.22/x
  3. Step 3: Cross multiply
    31,554.31x = 43,544.31 × 18,125.22
  4. Step 4: Simplify right side
    31,554.31x = 789,250,099.86
  5. Step 5: Solve for x
    x = 789,250,099.86/31,554.31
  6. Step 6: Final answer
    x = 25,012.43

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Double scale
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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.