Home / 37,194.75-51,328.80-20,427.75

Finding the Fourth Proportional to 37,194.75, 51,328.80 and 20,427.75

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Solution

The fourth proportional to 37,194.75, 51,328.80 and 20,427.75 is: 28,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,194.75 : 51,328.80 = 20,427.75 : x
  2. Step 2: Convert to fraction form
    37,194.75/51,328.80 = 20,427.75/x
  3. Step 3: Cross multiply
    37,194.75x = 51,328.80 × 20,427.75
  4. Step 4: Simplify right side
    37,194.75x = 1,048,531,894.20
  5. Step 5: Solve for x
    x = 1,048,531,894.20/37,194.75
  6. Step 6: Final answer
    x = 28,190.32

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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.