Home / 36,697.14-50,642.26-20,783.06

Finding the Fourth Proportional to 36,697.14, 50,642.26 and 20,783.06

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Solution

The fourth proportional to 36,697.14, 50,642.26 and 20,783.06 is: 28,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.14 : 50,642.26 = 20,783.06 : x
  2. Step 2: Convert to fraction form
    36,697.14/50,642.26 = 20,783.06/x
  3. Step 3: Cross multiply
    36,697.14x = 50,642.26 × 20,783.06
  4. Step 4: Simplify right side
    36,697.14x = 1,052,501,128.12
  5. Step 5: Solve for x
    x = 1,052,501,128.12/36,697.14
  6. Step 6: Final answer
    x = 28,680.74

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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.