Home / 47,288.80-65,256.60-30,269.08

Finding the Fourth Proportional to 47,288.80, 65,256.60 and 30,269.08

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Solution

The fourth proportional to 47,288.80, 65,256.60 and 30,269.08 is: 41,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,288.80 : 65,256.60 = 30,269.08 : x
  2. Step 2: Convert to fraction form
    47,288.80/65,256.60 = 30,269.08/x
  3. Step 3: Cross multiply
    47,288.80x = 65,256.60 × 30,269.08
  4. Step 4: Simplify right side
    47,288.80x = 1,975,257,245.93
  5. Step 5: Solve for x
    x = 1,975,257,245.93/47,288.80
  6. Step 6: Final answer
    x = 41,770.09

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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.