Home / 39,945.88-55,145.28-24,843.40

Finding the Fourth Proportional to 39,945.88, 55,145.28 and 24,843.40

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Solution

The fourth proportional to 39,945.88, 55,145.28 and 24,843.40 is: 34,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.88 : 55,145.28 = 24,843.40 : x
  2. Step 2: Convert to fraction form
    39,945.88/55,145.28 = 24,843.40/x
  3. Step 3: Cross multiply
    39,945.88x = 55,145.28 × 24,843.40
  4. Step 4: Simplify right side
    39,945.88x = 1,369,996,249.15
  5. Step 5: Solve for x
    x = 1,369,996,249.15/39,945.88
  6. Step 6: Final answer
    x = 34,296.31

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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.