Home / 36,795.07-50,775.78-20,878.57

Finding the Fourth Proportional to 36,795.07, 50,775.78 and 20,878.57

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Solution

The fourth proportional to 36,795.07, 50,775.78 and 20,878.57 is: 28,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,795.07 : 50,775.78 = 20,878.57 : x
  2. Step 2: Convert to fraction form
    36,795.07/50,775.78 = 20,878.57/x
  3. Step 3: Cross multiply
    36,795.07x = 50,775.78 × 20,878.57
  4. Step 4: Simplify right side
    36,795.07x = 1,060,125,550.10
  5. Step 5: Solve for x
    x = 1,060,125,550.10/36,795.07
  6. Step 6: Final answer
    x = 28,811.62

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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.