Home / 36,678.96-50,422.34-31,555.80

Finding the Fourth Proportional to 36,678.96, 50,422.34 and 31,555.80

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Solution

The fourth proportional to 36,678.96, 50,422.34 and 31,555.80 is: 43,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.96 : 50,422.34 = 31,555.80 : x
  2. Step 2: Convert to fraction form
    36,678.96/50,422.34 = 31,555.80/x
  3. Step 3: Cross multiply
    36,678.96x = 50,422.34 × 31,555.80
  4. Step 4: Simplify right side
    36,678.96x = 1,591,117,276.57
  5. Step 5: Solve for x
    x = 1,591,117,276.57/36,678.96
  6. Step 6: Final answer
    x = 43,379.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.