Home / 47,936.88-66,133.41-31,811.79

Finding the Fourth Proportional to 47,936.88, 66,133.41 and 31,811.79

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Solution

The fourth proportional to 47,936.88, 66,133.41 and 31,811.79 is: 43,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,936.88 : 66,133.41 = 31,811.79 : x
  2. Step 2: Convert to fraction form
    47,936.88/66,133.41 = 31,811.79/x
  3. Step 3: Cross multiply
    47,936.88x = 66,133.41 × 31,811.79
  4. Step 4: Simplify right side
    47,936.88x = 2,103,822,150.90
  5. Step 5: Solve for x
    x = 2,103,822,150.90/47,936.88
  6. Step 6: Final answer
    x = 43,887.34

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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.