Home / 55,218.52-82,843.88-17,777.76

Finding the Fourth Proportional to 55,218.52, 82,843.88 and 17,777.76

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Solution

The fourth proportional to 55,218.52, 82,843.88 and 17,777.76 is: 26,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.52 : 82,843.88 = 17,777.76 : x
  2. Step 2: Convert to fraction form
    55,218.52/82,843.88 = 17,777.76/x
  3. Step 3: Cross multiply
    55,218.52x = 82,843.88 × 17,777.76
  4. Step 4: Simplify right side
    55,218.52x = 1,472,778,616.11
  5. Step 5: Solve for x
    x = 1,472,778,616.11/55,218.52
  6. Step 6: Final answer
    x = 26,671.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.