Home / 61,153.37-91,725.19-21,705.36

Finding the Fourth Proportional to 61,153.37, 91,725.19 and 21,705.36

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Solution

The fourth proportional to 61,153.37, 91,725.19 and 21,705.36 is: 32,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,153.37 : 91,725.19 = 21,705.36 : x
  2. Step 2: Convert to fraction form
    61,153.37/91,725.19 = 21,705.36/x
  3. Step 3: Cross multiply
    61,153.37x = 91,725.19 × 21,705.36
  4. Step 4: Simplify right side
    61,153.37x = 1,990,928,270.02
  5. Step 5: Solve for x
    x = 1,990,928,270.02/61,153.37
  6. Step 6: Final answer
    x = 32,556.31

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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.