Home / 31,914.20-43,995.96-22,453.40

Finding the Fourth Proportional to 31,914.20, 43,995.96 and 22,453.40

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Solution

The fourth proportional to 31,914.20, 43,995.96 and 22,453.40 is: 30,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.20 : 43,995.96 = 22,453.40 : x
  2. Step 2: Convert to fraction form
    31,914.20/43,995.96 = 22,453.40/x
  3. Step 3: Cross multiply
    31,914.20x = 43,995.96 × 22,453.40
  4. Step 4: Simplify right side
    31,914.20x = 987,858,888.26
  5. Step 5: Solve for x
    x = 987,858,888.26/31,914.20
  6. Step 6: Final answer
    x = 30,953.58

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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.