Home / 36,072.48-49,779.09-20,157.06

Finding the Fourth Proportional to 36,072.48, 49,779.09 and 20,157.06

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Solution

The fourth proportional to 36,072.48, 49,779.09 and 20,157.06 is: 27,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.48 : 49,779.09 = 20,157.06 : x
  2. Step 2: Convert to fraction form
    36,072.48/49,779.09 = 20,157.06/x
  3. Step 3: Cross multiply
    36,072.48x = 49,779.09 × 20,157.06
  4. Step 4: Simplify right side
    36,072.48x = 1,003,400,103.88
  5. Step 5: Solve for x
    x = 1,003,400,103.88/36,072.48
  6. Step 6: Final answer
    x = 27,816.22

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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.