Home / 55,662.44-76,813.58-30,511.80

Finding the Fourth Proportional to 55,662.44, 76,813.58 and 30,511.80

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Solution

The fourth proportional to 55,662.44, 76,813.58 and 30,511.80 is: 42,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662.44 : 76,813.58 = 30,511.80 : x
  2. Step 2: Convert to fraction form
    55,662.44/76,813.58 = 30,511.80/x
  3. Step 3: Cross multiply
    55,662.44x = 76,813.58 × 30,511.80
  4. Step 4: Simplify right side
    55,662.44x = 2,343,720,590.24
  5. Step 5: Solve for x
    x = 2,343,720,590.24/55,662.44
  6. Step 6: Final answer
    x = 42,105.96

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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.