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Finding the Fourth Proportional to 57,375.96, 79,216.94 and 35,898.06

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Solution

The fourth proportional to 57,375.96, 79,216.94 and 35,898.06 is: 49,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,375.96 : 79,216.94 = 35,898.06 : x
  2. Step 2: Convert to fraction form
    57,375.96/79,216.94 = 35,898.06/x
  3. Step 3: Cross multiply
    57,375.96x = 79,216.94 × 35,898.06
  4. Step 4: Simplify right side
    57,375.96x = 2,843,734,465.14
  5. Step 5: Solve for x
    x = 2,843,734,465.14/57,375.96
  6. Step 6: Final answer
    x = 49,563.17

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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.