Home / 37,033.06-51,106.36-21,920.20

Finding the Fourth Proportional to 37,033.06, 51,106.36 and 21,920.20

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Solution

The fourth proportional to 37,033.06, 51,106.36 and 21,920.20 is: 30,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,033.06 : 51,106.36 = 21,920.20 : x
  2. Step 2: Convert to fraction form
    37,033.06/51,106.36 = 21,920.20/x
  3. Step 3: Cross multiply
    37,033.06x = 51,106.36 × 21,920.20
  4. Step 4: Simplify right side
    37,033.06x = 1,120,261,723.76
  5. Step 5: Solve for x
    x = 1,120,261,723.76/37,033.06
  6. Step 6: Final answer
    x = 30,250.32

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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.