Home / 37,081.84-51,172.68-20,314.48

Finding the Fourth Proportional to 37,081.84, 51,172.68 and 20,314.48

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Solution

The fourth proportional to 37,081.84, 51,172.68 and 20,314.48 is: 28,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.84 : 51,172.68 = 20,314.48 : x
  2. Step 2: Convert to fraction form
    37,081.84/51,172.68 = 20,314.48/x
  3. Step 3: Cross multiply
    37,081.84x = 51,172.68 × 20,314.48
  4. Step 4: Simplify right side
    37,081.84x = 1,039,546,384.41
  5. Step 5: Solve for x
    x = 1,039,546,384.41/37,081.84
  6. Step 6: Final answer
    x = 28,033.84

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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.