Home / 37,080.64-51,172.56-20,313.64

Finding the Fourth Proportional to 37,080.64, 51,172.56 and 20,313.64

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Solution

The fourth proportional to 37,080.64, 51,172.56 and 20,313.64 is: 28,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,080.64 : 51,172.56 = 20,313.64 : x
  2. Step 2: Convert to fraction form
    37,080.64/51,172.56 = 20,313.64/x
  3. Step 3: Cross multiply
    37,080.64x = 51,172.56 × 20,313.64
  4. Step 4: Simplify right side
    37,080.64x = 1,039,500,961.72
  5. Step 5: Solve for x
    x = 1,039,500,961.72/37,080.64
  6. Step 6: Final answer
    x = 28,033.52

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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.