Home / 36,687.83-55,031.73-19,153.55

Finding the Fourth Proportional to 36,687.83, 55,031.73 and 19,153.55

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Solution

The fourth proportional to 36,687.83, 55,031.73 and 19,153.55 is: 28,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.83 : 55,031.73 = 19,153.55 : x
  2. Step 2: Convert to fraction form
    36,687.83/55,031.73 = 19,153.55/x
  3. Step 3: Cross multiply
    36,687.83x = 55,031.73 × 19,153.55
  4. Step 4: Simplify right side
    36,687.83x = 1,054,052,716.98
  5. Step 5: Solve for x
    x = 1,054,052,716.98/36,687.83
  6. Step 6: Final answer
    x = 28,730.31

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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.