Home / 39,736.68-54,837.48-21,832.98

Finding the Fourth Proportional to 39,736.68, 54,837.48 and 21,832.98

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Solution

The fourth proportional to 39,736.68, 54,837.48 and 21,832.98 is: 30,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,736.68 : 54,837.48 = 21,832.98 : x
  2. Step 2: Convert to fraction form
    39,736.68/54,837.48 = 21,832.98/x
  3. Step 3: Cross multiply
    39,736.68x = 54,837.48 × 21,832.98
  4. Step 4: Simplify right side
    39,736.68x = 1,197,265,604.09
  5. Step 5: Solve for x
    x = 1,197,265,604.09/39,736.68
  6. Step 6: Final answer
    x = 30,129.99

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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.