Home / 36,072.62-49,779.26-20,157.20

Finding the Fourth Proportional to 36,072.62, 49,779.26 and 20,157.20

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Solution

The fourth proportional to 36,072.62, 49,779.26 and 20,157.20 is: 27,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.62 : 49,779.26 = 20,157.20 : x
  2. Step 2: Convert to fraction form
    36,072.62/49,779.26 = 20,157.20/x
  3. Step 3: Cross multiply
    36,072.62x = 49,779.26 × 20,157.20
  4. Step 4: Simplify right side
    36,072.62x = 1,003,410,587.09
  5. Step 5: Solve for x
    x = 1,003,410,587.09/36,072.62
  6. Step 6: Final answer
    x = 27,816.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.