Home / 31,563.96-43,558.25-20,233.45

Finding the Fourth Proportional to 31,563.96, 43,558.25 and 20,233.45

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Solution

The fourth proportional to 31,563.96, 43,558.25 and 20,233.45 is: 27,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.96 : 43,558.25 = 20,233.45 : x
  2. Step 2: Convert to fraction form
    31,563.96/43,558.25 = 20,233.45/x
  3. Step 3: Cross multiply
    31,563.96x = 43,558.25 × 20,233.45
  4. Step 4: Simplify right side
    31,563.96x = 881,333,572.30
  5. Step 5: Solve for x
    x = 881,333,572.30/31,563.96
  6. Step 6: Final answer
    x = 27,922.15

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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.