Home / 37,806.68-52,173.41-20,812.64

Finding the Fourth Proportional to 37,806.68, 52,173.41 and 20,812.64

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Solution

The fourth proportional to 37,806.68, 52,173.41 and 20,812.64 is: 28,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.68 : 52,173.41 = 20,812.64 : x
  2. Step 2: Convert to fraction form
    37,806.68/52,173.41 = 20,812.64/x
  3. Step 3: Cross multiply
    37,806.68x = 52,173.41 × 20,812.64
  4. Step 4: Simplify right side
    37,806.68x = 1,085,866,034.97
  5. Step 5: Solve for x
    x = 1,085,866,034.97/37,806.68
  6. Step 6: Final answer
    x = 28,721.54

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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.