Home / 53,791.49-80,699.69-18,250.92

Finding the Fourth Proportional to 53,791.49, 80,699.69 and 18,250.92

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Solution

The fourth proportional to 53,791.49, 80,699.69 and 18,250.92 is: 27,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.49 : 80,699.69 = 18,250.92 : x
  2. Step 2: Convert to fraction form
    53,791.49/80,699.69 = 18,250.92/x
  3. Step 3: Cross multiply
    53,791.49x = 80,699.69 × 18,250.92
  4. Step 4: Simplify right side
    53,791.49x = 1,472,843,631.84
  5. Step 5: Solve for x
    x = 1,472,843,631.84/53,791.49
  6. Step 6: Final answer
    x = 27,380.61

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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.