Home / 37,080.36-51,172.20-20,313.36

Finding the Fourth Proportional to 37,080.36, 51,172.20 and 20,313.36

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Solution

The fourth proportional to 37,080.36, 51,172.20 and 20,313.36 is: 28,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.36 : 51,172.20 = 20,313.36 : x
  2. Step 2: Convert to fraction form
    37,080.36/51,172.20 = 20,313.36/x
  3. Step 3: Cross multiply
    37,080.36x = 51,172.20 × 20,313.36
  4. Step 4: Simplify right side
    37,080.36x = 1,039,479,320.59
  5. Step 5: Solve for x
    x = 1,039,479,320.59/37,080.36
  6. Step 6: Final answer
    x = 28,033.15

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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.