Home / 36,992.58-55,501.29-20,331.42

Finding the Fourth Proportional to 36,992.58, 55,501.29 and 20,331.42

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Solution

The fourth proportional to 36,992.58, 55,501.29 and 20,331.42 is: 30,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,992.58 : 55,501.29 = 20,331.42 : x
  2. Step 2: Convert to fraction form
    36,992.58/55,501.29 = 20,331.42/x
  3. Step 3: Cross multiply
    36,992.58x = 55,501.29 × 20,331.42
  4. Step 4: Simplify right side
    36,992.58x = 1,128,420,037.53
  5. Step 5: Solve for x
    x = 1,128,420,037.53/36,992.58
  6. Step 6: Final answer
    x = 30,503.96

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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.