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Finding the Fourth Proportional to 36,045, 54,064.80 and 12,671.64

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Solution

The fourth proportional to 36,045, 54,064.80 and 12,671.64 is: 19,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045 : 54,064.80 = 12,671.64 : x
  2. Step 2: Convert to fraction form
    36,045/54,064.80 = 12,671.64/x
  3. Step 3: Cross multiply
    36,045x = 54,064.80 × 12,671.64
  4. Step 4: Simplify right side
    36,045x = 685,089,682.27
  5. Step 5: Solve for x
    x = 685,089,682.27/36,045
  6. Step 6: Final answer
    x = 19,006.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.