Home / 57,019.68-78,622.92-36,849.96

Finding the Fourth Proportional to 57,019.68, 78,622.92 and 36,849.96

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Solution

The fourth proportional to 57,019.68, 78,622.92 and 36,849.96 is: 50,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,019.68 : 78,622.92 = 36,849.96 : x
  2. Step 2: Convert to fraction form
    57,019.68/78,622.92 = 36,849.96/x
  3. Step 3: Cross multiply
    57,019.68x = 78,622.92 × 36,849.96
  4. Step 4: Simplify right side
    57,019.68x = 2,897,251,457.08
  5. Step 5: Solve for x
    x = 2,897,251,457.08/57,019.68
  6. Step 6: Final answer
    x = 50,811.43

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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.