Home / 47,132.72-65,041.80-30,375.44

Finding the Fourth Proportional to 47,132.72, 65,041.80 and 30,375.44

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Solution

The fourth proportional to 47,132.72, 65,041.80 and 30,375.44 is: 41,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132.72 : 65,041.80 = 30,375.44 : x
  2. Step 2: Convert to fraction form
    47,132.72/65,041.80 = 30,375.44/x
  3. Step 3: Cross multiply
    47,132.72x = 65,041.80 × 30,375.44
  4. Step 4: Simplify right side
    47,132.72x = 1,975,673,293.39
  5. Step 5: Solve for x
    x = 1,975,673,293.39/47,132.72
  6. Step 6: Final answer
    x = 41,917.23

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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.