Home / 51,923.97-77,886.30-18,644.34

Finding the Fourth Proportional to 51,923.97, 77,886.30 and 18,644.34

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Solution

The fourth proportional to 51,923.97, 77,886.30 and 18,644.34 is: 27,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,923.97 : 77,886.30 = 18,644.34 : x
  2. Step 2: Convert to fraction form
    51,923.97/77,886.30 = 18,644.34/x
  3. Step 3: Cross multiply
    51,923.97x = 77,886.30 × 18,644.34
  4. Step 4: Simplify right side
    51,923.97x = 1,452,138,658.54
  5. Step 5: Solve for x
    x = 1,452,138,658.54/51,923.97
  6. Step 6: Final answer
    x = 27,966.63

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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.