Home / 56,650.56-78,172.80-31,501.44

Finding the Fourth Proportional to 56,650.56, 78,172.80 and 31,501.44

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Solution

The fourth proportional to 56,650.56, 78,172.80 and 31,501.44 is: 43,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,650.56 : 78,172.80 = 31,501.44 : x
  2. Step 2: Convert to fraction form
    56,650.56/78,172.80 = 31,501.44/x
  3. Step 3: Cross multiply
    56,650.56x = 78,172.80 × 31,501.44
  4. Step 4: Simplify right side
    56,650.56x = 2,462,555,768.83
  5. Step 5: Solve for x
    x = 2,462,555,768.83/56,650.56
  6. Step 6: Final answer
    x = 43,469.22

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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.