Home / 40,778.35-61,160.60-11,189.27

Finding the Fourth Proportional to 40,778.35, 61,160.60 and 11,189.27

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Solution

The fourth proportional to 40,778.35, 61,160.60 and 11,189.27 is: 16,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.35 : 61,160.60 = 11,189.27 : x
  2. Step 2: Convert to fraction form
    40,778.35/61,160.60 = 11,189.27/x
  3. Step 3: Cross multiply
    40,778.35x = 61,160.60 × 11,189.27
  4. Step 4: Simplify right side
    40,778.35x = 684,342,647.64
  5. Step 5: Solve for x
    x = 684,342,647.64/40,778.35
  6. Step 6: Final answer
    x = 16,782.01

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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.