Home / 40,118.74-55,469.54-35,136.47

Finding the Fourth Proportional to 40,118.74, 55,469.54 and 35,136.47

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Solution

The fourth proportional to 40,118.74, 55,469.54 and 35,136.47 is: 48,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.74 : 55,469.54 = 35,136.47 : x
  2. Step 2: Convert to fraction form
    40,118.74/55,469.54 = 35,136.47/x
  3. Step 3: Cross multiply
    40,118.74x = 55,469.54 × 35,136.47
  4. Step 4: Simplify right side
    40,118.74x = 1,949,004,054.64
  5. Step 5: Solve for x
    x = 1,949,004,054.64/40,118.74
  6. Step 6: Final answer
    x = 48,580.89

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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.