Home / 33,638.93-50,440.87-12,561.63

Finding the Fourth Proportional to 33,638.93, 50,440.87 and 12,561.63

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Solution

The fourth proportional to 33,638.93, 50,440.87 and 12,561.63 is: 18,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.93 : 50,440.87 = 12,561.63 : x
  2. Step 2: Convert to fraction form
    33,638.93/50,440.87 = 12,561.63/x
  3. Step 3: Cross multiply
    33,638.93x = 50,440.87 × 12,561.63
  4. Step 4: Simplify right side
    33,638.93x = 633,619,483.01
  5. Step 5: Solve for x
    x = 633,619,483.01/33,638.93
  6. Step 6: Final answer
    x = 18,835.90

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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.