Home / 51,853.77-77,772.15-18,568.85

Finding the Fourth Proportional to 51,853.77, 77,772.15 and 18,568.85

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Solution

The fourth proportional to 51,853.77, 77,772.15 and 18,568.85 is: 27,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.77 : 77,772.15 = 18,568.85 : x
  2. Step 2: Convert to fraction form
    51,853.77/77,772.15 = 18,568.85/x
  3. Step 3: Cross multiply
    51,853.77x = 77,772.15 × 18,568.85
  4. Step 4: Simplify right side
    51,853.77x = 1,444,138,998.67
  5. Step 5: Solve for x
    x = 1,444,138,998.67/51,853.77
  6. Step 6: Final answer
    x = 27,850.22

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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.