Home / 56,697.96-78,239.48-31,199.37

Finding the Fourth Proportional to 56,697.96, 78,239.48 and 31,199.37

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Solution

The fourth proportional to 56,697.96, 78,239.48 and 31,199.37 is: 43,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,697.96 : 78,239.48 = 31,199.37 : x
  2. Step 2: Convert to fraction form
    56,697.96/78,239.48 = 31,199.37/x
  3. Step 3: Cross multiply
    56,697.96x = 78,239.48 × 31,199.37
  4. Step 4: Simplify right side
    56,697.96x = 2,441,022,485.13
  5. Step 5: Solve for x
    x = 2,441,022,485.13/56,697.96
  6. Step 6: Final answer
    x = 43,053.09

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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.