Home / 37,977.66-56,961.50-11,680.20

Finding the Fourth Proportional to 37,977.66, 56,961.50 and 11,680.20

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Solution

The fourth proportional to 37,977.66, 56,961.50 and 11,680.20 is: 17,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,977.66 : 56,961.50 = 11,680.20 : x
  2. Step 2: Convert to fraction form
    37,977.66/56,961.50 = 11,680.20/x
  3. Step 3: Cross multiply
    37,977.66x = 56,961.50 × 11,680.20
  4. Step 4: Simplify right side
    37,977.66x = 665,321,653.90
  5. Step 5: Solve for x
    x = 665,321,653.90/37,977.66
  6. Step 6: Final answer
    x = 17,518.76

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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.