Home / 36,552.16-54,851.20-21,000.16

Finding the Fourth Proportional to 36,552.16, 54,851.20 and 21,000.16

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Solution

The fourth proportional to 36,552.16, 54,851.20 and 21,000.16 is: 31,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,552.16 : 54,851.20 = 21,000.16 : x
  2. Step 2: Convert to fraction form
    36,552.16/54,851.20 = 21,000.16/x
  3. Step 3: Cross multiply
    36,552.16x = 54,851.20 × 21,000.16
  4. Step 4: Simplify right side
    36,552.16x = 1,151,883,976.19
  5. Step 5: Solve for x
    x = 1,151,883,976.19/36,552.16
  6. Step 6: Final answer
    x = 31,513.43

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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.