Home / 57,286.08-79,049.48-32,130.72

Finding the Fourth Proportional to 57,286.08, 79,049.48 and 32,130.72

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Solution

The fourth proportional to 57,286.08, 79,049.48 and 32,130.72 is: 44,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,286.08 : 79,049.48 = 32,130.72 : x
  2. Step 2: Convert to fraction form
    57,286.08/79,049.48 = 32,130.72/x
  3. Step 3: Cross multiply
    57,286.08x = 79,049.48 × 32,130.72
  4. Step 4: Simplify right side
    57,286.08x = 2,539,916,708.03
  5. Step 5: Solve for x
    x = 2,539,916,708.03/57,286.08
  6. Step 6: Final answer
    x = 44,337.42

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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.