Home / 37,111.46-51,213.84-20,115.86

Finding the Fourth Proportional to 37,111.46, 51,213.84 and 20,115.86

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Solution

The fourth proportional to 37,111.46, 51,213.84 and 20,115.86 is: 27,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,111.46 : 51,213.84 = 20,115.86 : x
  2. Step 2: Convert to fraction form
    37,111.46/51,213.84 = 20,115.86/x
  3. Step 3: Cross multiply
    37,111.46x = 51,213.84 × 20,115.86
  4. Step 4: Simplify right side
    37,111.46x = 1,030,210,435.50
  5. Step 5: Solve for x
    x = 1,030,210,435.50/37,111.46
  6. Step 6: Final answer
    x = 27,759.90

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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.