Home / 53,345.62-80,028.17-18,288.82

Finding the Fourth Proportional to 53,345.62, 80,028.17 and 18,288.82

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Solution

The fourth proportional to 53,345.62, 80,028.17 and 18,288.82 is: 27,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,345.62 : 80,028.17 = 18,288.82 : x
  2. Step 2: Convert to fraction form
    53,345.62/80,028.17 = 18,288.82/x
  3. Step 3: Cross multiply
    53,345.62x = 80,028.17 × 18,288.82
  4. Step 4: Simplify right side
    53,345.62x = 1,463,620,796.06
  5. Step 5: Solve for x
    x = 1,463,620,796.06/53,345.62
  6. Step 6: Final answer
    x = 27,436.57

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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.