Home / 36,349.20-54,531.12-12,975.03

Finding the Fourth Proportional to 36,349.20, 54,531.12 and 12,975.03

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Solution

The fourth proportional to 36,349.20, 54,531.12 and 12,975.03 is: 19,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,349.20 : 54,531.12 = 12,975.03 : x
  2. Step 2: Convert to fraction form
    36,349.20/54,531.12 = 12,975.03/x
  3. Step 3: Cross multiply
    36,349.20x = 54,531.12 × 12,975.03
  4. Step 4: Simplify right side
    36,349.20x = 707,542,917.93
  5. Step 5: Solve for x
    x = 707,542,917.93/36,349.20
  6. Step 6: Final answer
    x = 19,465.16

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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.