Home / 53,685.44-80,511.54-18,616.94

Finding the Fourth Proportional to 53,685.44, 80,511.54 and 18,616.94

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Solution

The fourth proportional to 53,685.44, 80,511.54 and 18,616.94 is: 27,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,685.44 : 80,511.54 = 18,616.94 : x
  2. Step 2: Convert to fraction form
    53,685.44/80,511.54 = 18,616.94/x
  3. Step 3: Cross multiply
    53,685.44x = 80,511.54 × 18,616.94
  4. Step 4: Simplify right side
    53,685.44x = 1,498,878,509.49
  5. Step 5: Solve for x
    x = 1,498,878,509.49/53,685.44
  6. Step 6: Final answer
    x = 27,919.65

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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.