Home / 43,177.64-64,672.71-20,944.29

Finding the Fourth Proportional to 43,177.64, 64,672.71 and 20,944.29

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Solution

The fourth proportional to 43,177.64, 64,672.71 and 20,944.29 is: 31,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,177.64 : 64,672.71 = 20,944.29 : x
  2. Step 2: Convert to fraction form
    43,177.64/64,672.71 = 20,944.29/x
  3. Step 3: Cross multiply
    43,177.64x = 64,672.71 × 20,944.29
  4. Step 4: Simplify right side
    43,177.64x = 1,354,523,993.33
  5. Step 5: Solve for x
    x = 1,354,523,993.33/43,177.64
  6. Step 6: Final answer
    x = 31,370.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.