Home / 73,735.05-110,587.73-21,130.41

Finding the Fourth Proportional to 73,735.05, 110,587.73 and 21,130.41

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Solution

The fourth proportional to 73,735.05, 110,587.73 and 21,130.41 is: 31,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,735.05 : 110,587.73 = 21,130.41 : x
  2. Step 2: Convert to fraction form
    73,735.05/110,587.73 = 21,130.41/x
  3. Step 3: Cross multiply
    73,735.05x = 110,587.73 × 21,130.41
  4. Step 4: Simplify right side
    73,735.05x = 2,336,763,970.22
  5. Step 5: Solve for x
    x = 2,336,763,970.22/73,735.05
  6. Step 6: Final answer
    x = 31,691.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.