Home / 47,531.58-65,582.34-30,310.98

Finding the Fourth Proportional to 47,531.58, 65,582.34 and 30,310.98

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Solution

The fourth proportional to 47,531.58, 65,582.34 and 30,310.98 is: 41,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,531.58 : 65,582.34 = 30,310.98 : x
  2. Step 2: Convert to fraction form
    47,531.58/65,582.34 = 30,310.98/x
  3. Step 3: Cross multiply
    47,531.58x = 65,582.34 × 30,310.98
  4. Step 4: Simplify right side
    47,531.58x = 1,987,864,996.09
  5. Step 5: Solve for x
    x = 1,987,864,996.09/47,531.58
  6. Step 6: Final answer
    x = 41,821.98

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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.