Home / 36,983.98-55,482-20,351.80

Finding the Fourth Proportional to 36,983.98, 55,482 and 20,351.80

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Solution

The fourth proportional to 36,983.98, 55,482 and 20,351.80 is: 30,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,983.98 : 55,482 = 20,351.80 : x
  2. Step 2: Convert to fraction form
    36,983.98/55,482 = 20,351.80/x
  3. Step 3: Cross multiply
    36,983.98x = 55,482 × 20,351.80
  4. Step 4: Simplify right side
    36,983.98x = 1,129,158,567.60
  5. Step 5: Solve for x
    x = 1,129,158,567.60/36,983.98
  6. Step 6: Final answer
    x = 30,531.02

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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.