Home / 47,649.22-65,702.04-30,398.56

Finding the Fourth Proportional to 47,649.22, 65,702.04 and 30,398.56

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Solution

The fourth proportional to 47,649.22, 65,702.04 and 30,398.56 is: 41,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.22 : 65,702.04 = 30,398.56 : x
  2. Step 2: Convert to fraction form
    47,649.22/65,702.04 = 30,398.56/x
  3. Step 3: Cross multiply
    47,649.22x = 65,702.04 × 30,398.56
  4. Step 4: Simplify right side
    47,649.22x = 1,997,247,405.06
  5. Step 5: Solve for x
    x = 1,997,247,405.06/47,649.22
  6. Step 6: Final answer
    x = 41,915.64

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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.