Home / 40,716.33-61,004.37-31,828.20

Finding the Fourth Proportional to 40,716.33, 61,004.37 and 31,828.20

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Solution

The fourth proportional to 40,716.33, 61,004.37 and 31,828.20 is: 47,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,716.33 : 61,004.37 = 31,828.20 : x
  2. Step 2: Convert to fraction form
    40,716.33/61,004.37 = 31,828.20/x
  3. Step 3: Cross multiply
    40,716.33x = 61,004.37 × 31,828.20
  4. Step 4: Simplify right side
    40,716.33x = 1,941,659,289.23
  5. Step 5: Solve for x
    x = 1,941,659,289.23/40,716.33
  6. Step 6: Final answer
    x = 47,687.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.