Home / 47,803.25-65,982.38-31,887.66

Finding the Fourth Proportional to 47,803.25, 65,982.38 and 31,887.66

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Solution

The fourth proportional to 47,803.25, 65,982.38 and 31,887.66 is: 44,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,803.25 : 65,982.38 = 31,887.66 : x
  2. Step 2: Convert to fraction form
    47,803.25/65,982.38 = 31,887.66/x
  3. Step 3: Cross multiply
    47,803.25x = 65,982.38 × 31,887.66
  4. Step 4: Simplify right side
    47,803.25x = 2,104,023,449.24
  5. Step 5: Solve for x
    x = 2,104,023,449.24/47,803.25
  6. Step 6: Final answer
    x = 44,014.24

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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.