Home / 56,664.24-78,198.63-31,172.54

Finding the Fourth Proportional to 56,664.24, 78,198.63 and 31,172.54

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Solution

The fourth proportional to 56,664.24, 78,198.63 and 31,172.54 is: 43,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.24 : 78,198.63 = 31,172.54 : x
  2. Step 2: Convert to fraction form
    56,664.24/78,198.63 = 31,172.54/x
  3. Step 3: Cross multiply
    56,664.24x = 78,198.63 × 31,172.54
  4. Step 4: Simplify right side
    56,664.24x = 2,437,649,530.63
  5. Step 5: Solve for x
    x = 2,437,649,530.63/56,664.24
  6. Step 6: Final answer
    x = 43,019.19

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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.