Home / 39,736.56-54,837.44-21,832.72

Finding the Fourth Proportional to 39,736.56, 54,837.44 and 21,832.72

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Solution

The fourth proportional to 39,736.56, 54,837.44 and 21,832.72 is: 30,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,736.56 : 54,837.44 = 21,832.72 : x
  2. Step 2: Convert to fraction form
    39,736.56/54,837.44 = 21,832.72/x
  3. Step 3: Cross multiply
    39,736.56x = 54,837.44 × 21,832.72
  4. Step 4: Simplify right side
    39,736.56x = 1,197,250,473.04
  5. Step 5: Solve for x
    x = 1,197,250,473.04/39,736.56
  6. Step 6: Final answer
    x = 30,129.70

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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.