Home / 31,736.96-47,629.44-21,628.16

Finding the Fourth Proportional to 31,736.96, 47,629.44 and 21,628.16

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Solution

The fourth proportional to 31,736.96, 47,629.44 and 21,628.16 is: 32,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.96 : 47,629.44 = 21,628.16 : x
  2. Step 2: Convert to fraction form
    31,736.96/47,629.44 = 21,628.16/x
  3. Step 3: Cross multiply
    31,736.96x = 47,629.44 × 21,628.16
  4. Step 4: Simplify right side
    31,736.96x = 1,030,137,149.03
  5. Step 5: Solve for x
    x = 1,030,137,149.03/31,736.96
  6. Step 6: Final answer
    x = 32,458.60

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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.