Home / 47,879.90-66,056.30-27,729.43

Finding the Fourth Proportional to 47,879.90, 66,056.30 and 27,729.43

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Solution

The fourth proportional to 47,879.90, 66,056.30 and 27,729.43 is: 38,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,879.90 : 66,056.30 = 27,729.43 : x
  2. Step 2: Convert to fraction form
    47,879.90/66,056.30 = 27,729.43/x
  3. Step 3: Cross multiply
    47,879.90x = 66,056.30 × 27,729.43
  4. Step 4: Simplify right side
    47,879.90x = 1,831,703,546.91
  5. Step 5: Solve for x
    x = 1,831,703,546.91/47,879.90
  6. Step 6: Final answer
    x = 38,256.21

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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.