Home / 55,629.58-76,768.51-30,136.44

Finding the Fourth Proportional to 55,629.58, 76,768.51 and 30,136.44

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Solution

The fourth proportional to 55,629.58, 76,768.51 and 30,136.44 is: 41,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.58 : 76,768.51 = 30,136.44 : x
  2. Step 2: Convert to fraction form
    55,629.58/76,768.51 = 30,136.44/x
  3. Step 3: Cross multiply
    55,629.58x = 76,768.51 × 30,136.44
  4. Step 4: Simplify right side
    55,629.58x = 2,313,529,851.95
  5. Step 5: Solve for x
    x = 2,313,529,851.95/55,629.58
  6. Step 6: Final answer
    x = 41,588.12

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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.