Home / 36,536.36-54,771-13,157.12

Finding the Fourth Proportional to 36,536.36, 54,771 and 13,157.12

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Solution

The fourth proportional to 36,536.36, 54,771 and 13,157.12 is: 19,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,536.36 : 54,771 = 13,157.12 : x
  2. Step 2: Convert to fraction form
    36,536.36/54,771 = 13,157.12/x
  3. Step 3: Cross multiply
    36,536.36x = 54,771 × 13,157.12
  4. Step 4: Simplify right side
    36,536.36x = 720,628,619.52
  5. Step 5: Solve for x
    x = 720,628,619.52/36,536.36
  6. Step 6: Final answer
    x = 19,723.60

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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.