Home / 37,137.87-51,270.17-28,683.75

Finding the Fourth Proportional to 37,137.87, 51,270.17 and 28,683.75

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Solution

The fourth proportional to 37,137.87, 51,270.17 and 28,683.75 is: 39,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.87 : 51,270.17 = 28,683.75 : x
  2. Step 2: Convert to fraction form
    37,137.87/51,270.17 = 28,683.75/x
  3. Step 3: Cross multiply
    37,137.87x = 51,270.17 × 28,683.75
  4. Step 4: Simplify right side
    37,137.87x = 1,470,620,810.45
  5. Step 5: Solve for x
    x = 1,470,620,810.45/37,137.87
  6. Step 6: Final answer
    x = 39,598.95

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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.