Home / 64,906.36-97,362.96-20,537.80

Finding the Fourth Proportional to 64,906.36, 97,362.96 and 20,537.80

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Solution

The fourth proportional to 64,906.36, 97,362.96 and 20,537.80 is: 30,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,906.36 : 97,362.96 = 20,537.80 : x
  2. Step 2: Convert to fraction form
    64,906.36/97,362.96 = 20,537.80/x
  3. Step 3: Cross multiply
    64,906.36x = 97,362.96 × 20,537.80
  4. Step 4: Simplify right side
    64,906.36x = 1,999,620,999.89
  5. Step 5: Solve for x
    x = 1,999,620,999.89/64,906.36
  6. Step 6: Final answer
    x = 30,807.78

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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.