Home / 37,806.59-52,172.06-20,578.39

Finding the Fourth Proportional to 37,806.59, 52,172.06 and 20,578.39

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Solution

The fourth proportional to 37,806.59, 52,172.06 and 20,578.39 is: 28,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.59 : 52,172.06 = 20,578.39 : x
  2. Step 2: Convert to fraction form
    37,806.59/52,172.06 = 20,578.39/x
  3. Step 3: Cross multiply
    37,806.59x = 52,172.06 × 20,578.39
  4. Step 4: Simplify right side
    37,806.59x = 1,073,616,764.46
  5. Step 5: Solve for x
    x = 1,073,616,764.46/37,806.59
  6. Step 6: Final answer
    x = 28,397.61

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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.