Home / 53,100.30-79,650.45-21,936.36

Finding the Fourth Proportional to 53,100.30, 79,650.45 and 21,936.36

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Solution

The fourth proportional to 53,100.30, 79,650.45 and 21,936.36 is: 32,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,100.30 : 79,650.45 = 21,936.36 : x
  2. Step 2: Convert to fraction form
    53,100.30/79,650.45 = 21,936.36/x
  3. Step 3: Cross multiply
    53,100.30x = 79,650.45 × 21,936.36
  4. Step 4: Simplify right side
    53,100.30x = 1,747,240,945.36
  5. Step 5: Solve for x
    x = 1,747,240,945.36/53,100.30
  6. Step 6: Final answer
    x = 32,904.54

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Similar ratio
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1.5x scale

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.