Home / 57,103.25-78,804.59-31,263.61

Finding the Fourth Proportional to 57,103.25, 78,804.59 and 31,263.61

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Solution

The fourth proportional to 57,103.25, 78,804.59 and 31,263.61 is: 43,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.25 : 78,804.59 = 31,263.61 : x
  2. Step 2: Convert to fraction form
    57,103.25/78,804.59 = 31,263.61/x
  3. Step 3: Cross multiply
    57,103.25x = 78,804.59 × 31,263.61
  4. Step 4: Simplify right side
    57,103.25x = 2,463,715,967.97
  5. Step 5: Solve for x
    x = 2,463,715,967.97/57,103.25
  6. Step 6: Final answer
    x = 43,144.93

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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.