Home / 36,270.76-54,354.30-20,656.12

Finding the Fourth Proportional to 36,270.76, 54,354.30 and 20,656.12

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Solution

The fourth proportional to 36,270.76, 54,354.30 and 20,656.12 is: 30,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.76 : 54,354.30 = 20,656.12 : x
  2. Step 2: Convert to fraction form
    36,270.76/54,354.30 = 20,656.12/x
  3. Step 3: Cross multiply
    36,270.76x = 54,354.30 × 20,656.12
  4. Step 4: Simplify right side
    36,270.76x = 1,122,748,943.32
  5. Step 5: Solve for x
    x = 1,122,748,943.32/36,270.76
  6. Step 6: Final answer
    x = 30,954.66

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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.