Home / 56,664.20-78,198.30-31,169.24

Finding the Fourth Proportional to 56,664.20, 78,198.30 and 31,169.24

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Solution

The fourth proportional to 56,664.20, 78,198.30 and 31,169.24 is: 43,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.20 : 78,198.30 = 31,169.24 : x
  2. Step 2: Convert to fraction form
    56,664.20/78,198.30 = 31,169.24/x
  3. Step 3: Cross multiply
    56,664.20x = 78,198.30 × 31,169.24
  4. Step 4: Simplify right side
    56,664.20x = 2,437,381,189.30
  5. Step 5: Solve for x
    x = 2,437,381,189.30/56,664.20
  6. Step 6: Final answer
    x = 43,014.49

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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.