Home / 56,796.12-78,379.17-31,303.41

Finding the Fourth Proportional to 56,796.12, 78,379.17 and 31,303.41

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Solution

The fourth proportional to 56,796.12, 78,379.17 and 31,303.41 is: 43,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,796.12 : 78,379.17 = 31,303.41 : x
  2. Step 2: Convert to fraction form
    56,796.12/78,379.17 = 31,303.41/x
  3. Step 3: Cross multiply
    56,796.12x = 78,379.17 × 31,303.41
  4. Step 4: Simplify right side
    56,796.12x = 2,453,535,293.97
  5. Step 5: Solve for x
    x = 2,453,535,293.97/56,796.12
  6. Step 6: Final answer
    x = 43,198.99

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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.