Home / 36,500.49-54,728.87-13,119.03

Finding the Fourth Proportional to 36,500.49, 54,728.87 and 13,119.03

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Solution

The fourth proportional to 36,500.49, 54,728.87 and 13,119.03 is: 19,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.49 : 54,728.87 = 13,119.03 : x
  2. Step 2: Convert to fraction form
    36,500.49/54,728.87 = 13,119.03/x
  3. Step 3: Cross multiply
    36,500.49x = 54,728.87 × 13,119.03
  4. Step 4: Simplify right side
    36,500.49x = 717,989,621.80
  5. Step 5: Solve for x
    x = 717,989,621.80/36,500.49
  6. Step 6: Final answer
    x = 19,670.68

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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.