Home / 57,234.54-78,983.67-31,744.81

Finding the Fourth Proportional to 57,234.54, 78,983.67 and 31,744.81

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Solution

The fourth proportional to 57,234.54, 78,983.67 and 31,744.81 is: 43,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,234.54 : 78,983.67 = 31,744.81 : x
  2. Step 2: Convert to fraction form
    57,234.54/78,983.67 = 31,744.81/x
  3. Step 3: Cross multiply
    57,234.54x = 78,983.67 × 31,744.81
  4. Step 4: Simplify right side
    57,234.54x = 2,507,321,614.14
  5. Step 5: Solve for x
    x = 2,507,321,614.14/57,234.54
  6. Step 6: Final answer
    x = 43,807.84

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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.