Home / 62,840.75-86,733.45-39,855.69

Finding the Fourth Proportional to 62,840.75, 86,733.45 and 39,855.69

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Solution

The fourth proportional to 62,840.75, 86,733.45 and 39,855.69 is: 55,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840.75 : 86,733.45 = 39,855.69 : x
  2. Step 2: Convert to fraction form
    62,840.75/86,733.45 = 39,855.69/x
  3. Step 3: Cross multiply
    62,840.75x = 86,733.45 × 39,855.69
  4. Step 4: Simplify right side
    62,840.75x = 3,456,821,495.83
  5. Step 5: Solve for x
    x = 3,456,821,495.83/62,840.75
  6. Step 6: Final answer
    x = 55,009.24

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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.