Home / 73,985.64-110,979.24-21,395.60

Finding the Fourth Proportional to 73,985.64, 110,979.24 and 21,395.60

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Solution

The fourth proportional to 73,985.64, 110,979.24 and 21,395.60 is: 32,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985.64 : 110,979.24 = 21,395.60 : x
  2. Step 2: Convert to fraction form
    73,985.64/110,979.24 = 21,395.60/x
  3. Step 3: Cross multiply
    73,985.64x = 110,979.24 × 21,395.60
  4. Step 4: Simplify right side
    73,985.64x = 2,374,467,427.34
  5. Step 5: Solve for x
    x = 2,374,467,427.34/73,985.64
  6. Step 6: Final answer
    x = 32,093.63

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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.