Home / 57,107.33-78,809.06-31,268.13

Finding the Fourth Proportional to 57,107.33, 78,809.06 and 31,268.13

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Solution

The fourth proportional to 57,107.33, 78,809.06 and 31,268.13 is: 43,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.33 : 78,809.06 = 31,268.13 : x
  2. Step 2: Convert to fraction form
    57,107.33/78,809.06 = 31,268.13/x
  3. Step 3: Cross multiply
    57,107.33x = 78,809.06 × 31,268.13
  4. Step 4: Simplify right side
    57,107.33x = 2,464,212,011.43
  5. Step 5: Solve for x
    x = 2,464,212,011.43/57,107.33
  6. Step 6: Final answer
    x = 43,150.54

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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.