Home / 37,677.54-51,998.19-20,684.66

Finding the Fourth Proportional to 37,677.54, 51,998.19 and 20,684.66

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Solution

The fourth proportional to 37,677.54, 51,998.19 and 20,684.66 is: 28,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,677.54 : 51,998.19 = 20,684.66 : x
  2. Step 2: Convert to fraction form
    37,677.54/51,998.19 = 20,684.66/x
  3. Step 3: Cross multiply
    37,677.54x = 51,998.19 × 20,684.66
  4. Step 4: Simplify right side
    37,677.54x = 1,075,564,620.77
  5. Step 5: Solve for x
    x = 1,075,564,620.77/37,677.54
  6. Step 6: Final answer
    x = 28,546.57

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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.