Home / 66,619.73-91,932.48-36,406.10

Finding the Fourth Proportional to 66,619.73, 91,932.48 and 36,406.10

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Solution

The fourth proportional to 66,619.73, 91,932.48 and 36,406.10 is: 50,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.73 : 91,932.48 = 36,406.10 : x
  2. Step 2: Convert to fraction form
    66,619.73/91,932.48 = 36,406.10/x
  3. Step 3: Cross multiply
    66,619.73x = 91,932.48 × 36,406.10
  4. Step 4: Simplify right side
    66,619.73x = 3,346,902,600.47
  5. Step 5: Solve for x
    x = 3,346,902,600.47/66,619.73
  6. Step 6: Final answer
    x = 50,238.91

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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.