Home / 47,926.26-66,103.08-31,764.36

Finding the Fourth Proportional to 47,926.26, 66,103.08 and 31,764.36

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Solution

The fourth proportional to 47,926.26, 66,103.08 and 31,764.36 is: 43,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.26 : 66,103.08 = 31,764.36 : x
  2. Step 2: Convert to fraction form
    47,926.26/66,103.08 = 31,764.36/x
  3. Step 3: Cross multiply
    47,926.26x = 66,103.08 × 31,764.36
  4. Step 4: Simplify right side
    47,926.26x = 2,099,722,030.23
  5. Step 5: Solve for x
    x = 2,099,722,030.23/47,926.26
  6. Step 6: Final answer
    x = 43,811.51

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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.