Home / 31,783.27-43,877.24-22,393.75

Finding the Fourth Proportional to 31,783.27, 43,877.24 and 22,393.75

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Solution

The fourth proportional to 31,783.27, 43,877.24 and 22,393.75 is: 30,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.27 : 43,877.24 = 22,393.75 : x
  2. Step 2: Convert to fraction form
    31,783.27/43,877.24 = 22,393.75/x
  3. Step 3: Cross multiply
    31,783.27x = 43,877.24 × 22,393.75
  4. Step 4: Simplify right side
    31,783.27x = 982,575,889.54
  5. Step 5: Solve for x
    x = 982,575,889.54/31,783.27
  6. Step 6: Final answer
    x = 30,914.88

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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.