Home / 37,231.20-51,379.58-20,235.78

Finding the Fourth Proportional to 37,231.20, 51,379.58 and 20,235.78

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Solution

The fourth proportional to 37,231.20, 51,379.58 and 20,235.78 is: 27,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.20 : 51,379.58 = 20,235.78 : x
  2. Step 2: Convert to fraction form
    37,231.20/51,379.58 = 20,235.78/x
  3. Step 3: Cross multiply
    37,231.20x = 51,379.58 × 20,235.78
  4. Step 4: Simplify right side
    37,231.20x = 1,039,705,877.37
  5. Step 5: Solve for x
    x = 1,039,705,877.37/37,231.20
  6. Step 6: Final answer
    x = 27,925.66

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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.