Home / 33,405.10-50,144.10-18,606.40

Finding the Fourth Proportional to 33,405.10, 50,144.10 and 18,606.40

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Solution

The fourth proportional to 33,405.10, 50,144.10 and 18,606.40 is: 27,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.10 : 50,144.10 = 18,606.40 : x
  2. Step 2: Convert to fraction form
    33,405.10/50,144.10 = 18,606.40/x
  3. Step 3: Cross multiply
    33,405.10x = 50,144.10 × 18,606.40
  4. Step 4: Simplify right side
    33,405.10x = 933,001,182.24
  5. Step 5: Solve for x
    x = 933,001,182.24/33,405.10
  6. Step 6: Final answer
    x = 27,929.90

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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.