Home / 37,674.75-51,991.29-20,907.75

Finding the Fourth Proportional to 37,674.75, 51,991.29 and 20,907.75

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Solution

The fourth proportional to 37,674.75, 51,991.29 and 20,907.75 is: 28,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.75 : 51,991.29 = 20,907.75 : x
  2. Step 2: Convert to fraction form
    37,674.75/51,991.29 = 20,907.75/x
  3. Step 3: Cross multiply
    37,674.75x = 51,991.29 × 20,907.75
  4. Step 4: Simplify right side
    37,674.75x = 1,087,020,893.50
  5. Step 5: Solve for x
    x = 1,087,020,893.50/37,674.75
  6. Step 6: Final answer
    x = 28,852.77

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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.