Home / 36,686.06-50,631.24-21,578

Finding the Fourth Proportional to 36,686.06, 50,631.24 and 21,578

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Solution

The fourth proportional to 36,686.06, 50,631.24 and 21,578 is: 29,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.06 : 50,631.24 = 21,578 : x
  2. Step 2: Convert to fraction form
    36,686.06/50,631.24 = 21,578/x
  3. Step 3: Cross multiply
    36,686.06x = 50,631.24 × 21,578
  4. Step 4: Simplify right side
    36,686.06x = 1,092,520,896.72
  5. Step 5: Solve for x
    x = 1,092,520,896.72/36,686.06
  6. Step 6: Final answer
    x = 29,780.27

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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.