Home / 55,211.37-82,805.45-17,774.79

Finding the Fourth Proportional to 55,211.37, 82,805.45 and 17,774.79

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Solution

The fourth proportional to 55,211.37, 82,805.45 and 17,774.79 is: 26,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.37 : 82,805.45 = 17,774.79 : x
  2. Step 2: Convert to fraction form
    55,211.37/82,805.45 = 17,774.79/x
  3. Step 3: Cross multiply
    55,211.37x = 82,805.45 × 17,774.79
  4. Step 4: Simplify right side
    55,211.37x = 1,471,849,395.73
  5. Step 5: Solve for x
    x = 1,471,849,395.73/55,211.37
  6. Step 6: Final answer
    x = 26,658.45

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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.