Home / 56,861.06-78,469.97-31,369.14

Finding the Fourth Proportional to 56,861.06, 78,469.97 and 31,369.14

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Solution

The fourth proportional to 56,861.06, 78,469.97 and 31,369.14 is: 43,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861.06 : 78,469.97 = 31,369.14 : x
  2. Step 2: Convert to fraction form
    56,861.06/78,469.97 = 31,369.14/x
  3. Step 3: Cross multiply
    56,861.06x = 78,469.97 × 31,369.14
  4. Step 4: Simplify right side
    56,861.06x = 2,461,535,317.88
  5. Step 5: Solve for x
    x = 2,461,535,317.88/56,861.06
  6. Step 6: Final answer
    x = 43,290.36

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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.