Home / 36,638.86-50,558.75-21,532.09

Finding the Fourth Proportional to 36,638.86, 50,558.75 and 21,532.09

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Solution

The fourth proportional to 36,638.86, 50,558.75 and 21,532.09 is: 29,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.86 : 50,558.75 = 21,532.09 : x
  2. Step 2: Convert to fraction form
    36,638.86/50,558.75 = 21,532.09/x
  3. Step 3: Cross multiply
    36,638.86x = 50,558.75 × 21,532.09
  4. Step 4: Simplify right side
    36,638.86x = 1,088,635,356.32
  5. Step 5: Solve for x
    x = 1,088,635,356.32/36,638.86
  6. Step 6: Final answer
    x = 29,712.59

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1.5x scale

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.