Home / 37,857.09-52,243.13-20,861.94

Finding the Fourth Proportional to 37,857.09, 52,243.13 and 20,861.94

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Solution

The fourth proportional to 37,857.09, 52,243.13 and 20,861.94 is: 28,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.09 : 52,243.13 = 20,861.94 : x
  2. Step 2: Convert to fraction form
    37,857.09/52,243.13 = 20,861.94/x
  3. Step 3: Cross multiply
    37,857.09x = 52,243.13 × 20,861.94
  4. Step 4: Simplify right side
    37,857.09x = 1,089,892,677.95
  5. Step 5: Solve for x
    x = 1,089,892,677.95/37,857.09
  6. Step 6: Final answer
    x = 28,789.66

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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.