Home / 57,945.08-79,965.44-35,285.04

Finding the Fourth Proportional to 57,945.08, 79,965.44 and 35,285.04

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Solution

The fourth proportional to 57,945.08, 79,965.44 and 35,285.04 is: 48,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,945.08 : 79,965.44 = 35,285.04 : x
  2. Step 2: Convert to fraction form
    57,945.08/79,965.44 = 35,285.04/x
  3. Step 3: Cross multiply
    57,945.08x = 79,965.44 × 35,285.04
  4. Step 4: Simplify right side
    57,945.08x = 2,821,583,749.02
  5. Step 5: Solve for x
    x = 2,821,583,749.02/57,945.08
  6. Step 6: Final answer
    x = 48,694.10

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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.