Home / 37,805.93-52,172.37-20,811.88

Finding the Fourth Proportional to 37,805.93, 52,172.37 and 20,811.88

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Solution

The fourth proportional to 37,805.93, 52,172.37 and 20,811.88 is: 28,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.93 : 52,172.37 = 20,811.88 : x
  2. Step 2: Convert to fraction form
    37,805.93/52,172.37 = 20,811.88/x
  3. Step 3: Cross multiply
    37,805.93x = 52,172.37 × 20,811.88
  4. Step 4: Simplify right side
    37,805.93x = 1,085,805,168.97
  5. Step 5: Solve for x
    x = 1,085,805,168.97/37,805.93
  6. Step 6: Final answer
    x = 28,720.50

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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.