Home / 39,741.37-54,845.71-21,836.52

Finding the Fourth Proportional to 39,741.37, 54,845.71 and 21,836.52

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Solution

The fourth proportional to 39,741.37, 54,845.71 and 21,836.52 is: 30,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,741.37 : 54,845.71 = 21,836.52 : x
  2. Step 2: Convert to fraction form
    39,741.37/54,845.71 = 21,836.52/x
  3. Step 3: Cross multiply
    39,741.37x = 54,845.71 × 21,836.52
  4. Step 4: Simplify right side
    39,741.37x = 1,197,639,388.74
  5. Step 5: Solve for x
    x = 1,197,639,388.74/39,741.37
  6. Step 6: Final answer
    x = 30,135.84

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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.