Home / 37,081.36-51,172.32-20,085.64

Finding the Fourth Proportional to 37,081.36, 51,172.32 and 20,085.64

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Solution

The fourth proportional to 37,081.36, 51,172.32 and 20,085.64 is: 27,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.36 : 51,172.32 = 20,085.64 : x
  2. Step 2: Convert to fraction form
    37,081.36/51,172.32 = 20,085.64/x
  3. Step 3: Cross multiply
    37,081.36x = 51,172.32 × 20,085.64
  4. Step 4: Simplify right side
    37,081.36x = 1,027,828,797.48
  5. Step 5: Solve for x
    x = 1,027,828,797.48/37,081.36
  6. Step 6: Final answer
    x = 27,718.21

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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.