Home / 35,327.88-48,747.27-20,218.14

Finding the Fourth Proportional to 35,327.88, 48,747.27 and 20,218.14

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Solution

The fourth proportional to 35,327.88, 48,747.27 and 20,218.14 is: 27,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,327.88 : 48,747.27 = 20,218.14 : x
  2. Step 2: Convert to fraction form
    35,327.88/48,747.27 = 20,218.14/x
  3. Step 3: Cross multiply
    35,327.88x = 48,747.27 × 20,218.14
  4. Step 4: Simplify right side
    35,327.88x = 985,579,129.48
  5. Step 5: Solve for x
    x = 985,579,129.48/35,327.88
  6. Step 6: Final answer
    x = 27,898.05

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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.