Home / 39,249.93-54,165.60-21,344.88

Finding the Fourth Proportional to 39,249.93, 54,165.60 and 21,344.88

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Solution

The fourth proportional to 39,249.93, 54,165.60 and 21,344.88 is: 29,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.93 : 54,165.60 = 21,344.88 : x
  2. Step 2: Convert to fraction form
    39,249.93/54,165.60 = 21,344.88/x
  3. Step 3: Cross multiply
    39,249.93x = 54,165.60 × 21,344.88
  4. Step 4: Simplify right side
    39,249.93x = 1,156,158,232.13
  5. Step 5: Solve for x
    x = 1,156,158,232.13/39,249.93
  6. Step 6: Final answer
    x = 29,456.31

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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.