Home / 37,621.11-51,916.38-20,625.39

Finding the Fourth Proportional to 37,621.11, 51,916.38 and 20,625.39

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Solution

The fourth proportional to 37,621.11, 51,916.38 and 20,625.39 is: 28,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.11 : 51,916.38 = 20,625.39 : x
  2. Step 2: Convert to fraction form
    37,621.11/51,916.38 = 20,625.39/x
  3. Step 3: Cross multiply
    37,621.11x = 51,916.38 × 20,625.39
  4. Step 4: Simplify right side
    37,621.11x = 1,070,795,584.89
  5. Step 5: Solve for x
    x = 1,070,795,584.89/37,621.11
  6. Step 6: Final answer
    x = 28,462.63

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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.