Home / 36,876.55-55,276.10-20,231.66

Finding the Fourth Proportional to 36,876.55, 55,276.10 and 20,231.66

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Solution

The fourth proportional to 36,876.55, 55,276.10 and 20,231.66 is: 30,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,876.55 : 55,276.10 = 20,231.66 : x
  2. Step 2: Convert to fraction form
    36,876.55/55,276.10 = 20,231.66/x
  3. Step 3: Cross multiply
    36,876.55x = 55,276.10 × 20,231.66
  4. Step 4: Simplify right side
    36,876.55x = 1,118,327,261.33
  5. Step 5: Solve for x
    x = 1,118,327,261.33/36,876.55
  6. Step 6: Final answer
    x = 30,326.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.