Home / 36,959.20-51,006.72-21,048.64

Finding the Fourth Proportional to 36,959.20, 51,006.72 and 21,048.64

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Solution

The fourth proportional to 36,959.20, 51,006.72 and 21,048.64 is: 29,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,959.20 : 51,006.72 = 21,048.64 : x
  2. Step 2: Convert to fraction form
    36,959.20/51,006.72 = 21,048.64/x
  3. Step 3: Cross multiply
    36,959.20x = 51,006.72 × 21,048.64
  4. Step 4: Simplify right side
    36,959.20x = 1,073,622,086.86
  5. Step 5: Solve for x
    x = 1,073,622,086.86/36,959.20
  6. Step 6: Final answer
    x = 29,048.85

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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.