Home / 39,741.96-54,844.02-21,837.32

Finding the Fourth Proportional to 39,741.96, 54,844.02 and 21,837.32

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Solution

The fourth proportional to 39,741.96, 54,844.02 and 21,837.32 is: 30,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,741.96 : 54,844.02 = 21,837.32 : x
  2. Step 2: Convert to fraction form
    39,741.96/54,844.02 = 21,837.32/x
  3. Step 3: Cross multiply
    39,741.96x = 54,844.02 × 21,837.32
  4. Step 4: Simplify right side
    39,741.96x = 1,197,646,414.83
  5. Step 5: Solve for x
    x = 1,197,646,414.83/39,741.96
  6. Step 6: Final answer
    x = 30,135.56

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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.