Home / 45,984.75-68,914.76-20,993.82

Finding the Fourth Proportional to 45,984.75, 68,914.76 and 20,993.82

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Solution

The fourth proportional to 45,984.75, 68,914.76 and 20,993.82 is: 31,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,984.75 : 68,914.76 = 20,993.82 : x
  2. Step 2: Convert to fraction form
    45,984.75/68,914.76 = 20,993.82/x
  3. Step 3: Cross multiply
    45,984.75x = 68,914.76 × 20,993.82
  4. Step 4: Simplify right side
    45,984.75x = 1,446,783,961.81
  5. Step 5: Solve for x
    x = 1,446,783,961.81/45,984.75
  6. Step 6: Final answer
    x = 31,462.26

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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.