Home / 57,003.06-78,665.88-31,852.56

Finding the Fourth Proportional to 57,003.06, 78,665.88 and 31,852.56

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Solution

The fourth proportional to 57,003.06, 78,665.88 and 31,852.56 is: 43,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.06 : 78,665.88 = 31,852.56 : x
  2. Step 2: Convert to fraction form
    57,003.06/78,665.88 = 31,852.56/x
  3. Step 3: Cross multiply
    57,003.06x = 78,665.88 × 31,852.56
  4. Step 4: Simplify right side
    57,003.06x = 2,505,709,662.65
  5. Step 5: Solve for x
    x = 2,505,709,662.65/57,003.06
  6. Step 6: Final answer
    x = 43,957.46

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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.