Home / 39,741.53-54,844.31-21,836.99

Finding the Fourth Proportional to 39,741.53, 54,844.31 and 21,836.99

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Solution

The fourth proportional to 39,741.53, 54,844.31 and 21,836.99 is: 30,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,741.53 : 54,844.31 = 21,836.99 : x
  2. Step 2: Convert to fraction form
    39,741.53/54,844.31 = 21,836.99/x
  3. Step 3: Cross multiply
    39,741.53x = 54,844.31 × 21,836.99
  4. Step 4: Simplify right side
    39,741.53x = 1,197,634,429.40
  5. Step 5: Solve for x
    x = 1,197,634,429.40/39,741.53
  6. Step 6: Final answer
    x = 30,135.59

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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.