Home / 57,414.25-79,234.30-31,923.21

Finding the Fourth Proportional to 57,414.25, 79,234.30 and 31,923.21

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Solution

The fourth proportional to 57,414.25, 79,234.30 and 31,923.21 is: 44,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.25 : 79,234.30 = 31,923.21 : x
  2. Step 2: Convert to fraction form
    57,414.25/79,234.30 = 31,923.21/x
  3. Step 3: Cross multiply
    57,414.25x = 79,234.30 × 31,923.21
  4. Step 4: Simplify right side
    57,414.25x = 2,529,412,821.17
  5. Step 5: Solve for x
    x = 2,529,412,821.17/57,414.25
  6. Step 6: Final answer
    x = 44,055.49

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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.