Home / 36,542.44-50,430.90-20,621.08

Finding the Fourth Proportional to 36,542.44, 50,430.90 and 20,621.08

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Solution

The fourth proportional to 36,542.44, 50,430.90 and 20,621.08 is: 28,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,542.44 : 50,430.90 = 20,621.08 : x
  2. Step 2: Convert to fraction form
    36,542.44/50,430.90 = 20,621.08/x
  3. Step 3: Cross multiply
    36,542.44x = 50,430.90 × 20,621.08
  4. Step 4: Simplify right side
    36,542.44x = 1,039,939,623.37
  5. Step 5: Solve for x
    x = 1,039,939,623.37/36,542.44
  6. Step 6: Final answer
    x = 28,458.41

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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.