Home / 47,321.10-65,300.82-28,200.44

Finding the Fourth Proportional to 47,321.10, 65,300.82 and 28,200.44

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Solution

The fourth proportional to 47,321.10, 65,300.82 and 28,200.44 is: 38,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321.10 : 65,300.82 = 28,200.44 : x
  2. Step 2: Convert to fraction form
    47,321.10/65,300.82 = 28,200.44/x
  3. Step 3: Cross multiply
    47,321.10x = 65,300.82 × 28,200.44
  4. Step 4: Simplify right side
    47,321.10x = 1,841,511,913.86
  5. Step 5: Solve for x
    x = 1,841,511,913.86/47,321.10
  6. Step 6: Final answer
    x = 38,915.24

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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.