Home / 36,788.37-55,137.06-21,006.60

Finding the Fourth Proportional to 36,788.37, 55,137.06 and 21,006.60

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Solution

The fourth proportional to 36,788.37, 55,137.06 and 21,006.60 is: 31,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788.37 : 55,137.06 = 21,006.60 : x
  2. Step 2: Convert to fraction form
    36,788.37/55,137.06 = 21,006.60/x
  3. Step 3: Cross multiply
    36,788.37x = 55,137.06 × 21,006.60
  4. Step 4: Simplify right side
    36,788.37x = 1,158,242,164.60
  5. Step 5: Solve for x
    x = 1,158,242,164.60/36,788.37
  6. Step 6: Final answer
    x = 31,483.92

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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.