Home / 37,857.63-52,245.82-20,861.85

Finding the Fourth Proportional to 37,857.63, 52,245.82 and 20,861.85

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Solution

The fourth proportional to 37,857.63, 52,245.82 and 20,861.85 is: 28,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.63 : 52,245.82 = 20,861.85 : x
  2. Step 2: Convert to fraction form
    37,857.63/52,245.82 = 20,861.85/x
  3. Step 3: Cross multiply
    37,857.63x = 52,245.82 × 20,861.85
  4. Step 4: Simplify right side
    37,857.63x = 1,089,944,681.97
  5. Step 5: Solve for x
    x = 1,089,944,681.97/37,857.63
  6. Step 6: Final answer
    x = 28,790.62

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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.