Home / 36,090.72-54,125.10-13,902.36

Finding the Fourth Proportional to 36,090.72, 54,125.10 and 13,902.36

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Solution

The fourth proportional to 36,090.72, 54,125.10 and 13,902.36 is: 20,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.72 : 54,125.10 = 13,902.36 : x
  2. Step 2: Convert to fraction form
    36,090.72/54,125.10 = 13,902.36/x
  3. Step 3: Cross multiply
    36,090.72x = 54,125.10 × 13,902.36
  4. Step 4: Simplify right side
    36,090.72x = 752,466,625.24
  5. Step 5: Solve for x
    x = 752,466,625.24/36,090.72
  6. Step 6: Final answer
    x = 20,849.31

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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.