Home / 64,356.56-96,548.60-19,982.32

Finding the Fourth Proportional to 64,356.56, 96,548.60 and 19,982.32

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Solution

The fourth proportional to 64,356.56, 96,548.60 and 19,982.32 is: 29,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356.56 : 96,548.60 = 19,982.32 : x
  2. Step 2: Convert to fraction form
    64,356.56/96,548.60 = 19,982.32/x
  3. Step 3: Cross multiply
    64,356.56x = 96,548.60 × 19,982.32
  4. Step 4: Simplify right side
    64,356.56x = 1,929,265,020.75
  5. Step 5: Solve for x
    x = 1,929,265,020.75/64,356.56
  6. Step 6: Final answer
    x = 29,977.75

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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.