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Finding the Fourth Proportional to 57,941, 79,958.58 and 32,790.56

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Solution

The fourth proportional to 57,941, 79,958.58 and 32,790.56 is: 45,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,941 : 79,958.58 = 32,790.56 : x
  2. Step 2: Convert to fraction form
    57,941/79,958.58 = 32,790.56/x
  3. Step 3: Cross multiply
    57,941x = 79,958.58 × 32,790.56
  4. Step 4: Simplify right side
    57,941x = 2,621,886,615.00
  5. Step 5: Solve for x
    x = 2,621,886,615.00/57,941
  6. Step 6: Final answer
    x = 45,250.97

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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.