Home / 39,799.44-54,924.63-21,893.99

Finding the Fourth Proportional to 39,799.44, 54,924.63 and 21,893.99

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Solution

The fourth proportional to 39,799.44, 54,924.63 and 21,893.99 is: 30,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.44 : 54,924.63 = 21,893.99 : x
  2. Step 2: Convert to fraction form
    39,799.44/54,924.63 = 21,893.99/x
  3. Step 3: Cross multiply
    39,799.44x = 54,924.63 × 21,893.99
  4. Step 4: Simplify right side
    39,799.44x = 1,202,519,025.35
  5. Step 5: Solve for x
    x = 1,202,519,025.35/39,799.44
  6. Step 6: Final answer
    x = 30,214.47

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1.5x scale

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.