Home / 36,912.48-55,388.16-28,203.36

Finding the Fourth Proportional to 36,912.48, 55,388.16 and 28,203.36

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Solution

The fourth proportional to 36,912.48, 55,388.16 and 28,203.36 is: 42,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.48 : 55,388.16 = 28,203.36 : x
  2. Step 2: Convert to fraction form
    36,912.48/55,388.16 = 28,203.36/x
  3. Step 3: Cross multiply
    36,912.48x = 55,388.16 × 28,203.36
  4. Step 4: Simplify right side
    36,912.48x = 1,562,132,216.22
  5. Step 5: Solve for x
    x = 1,562,132,216.22/36,912.48
  6. Step 6: Final answer
    x = 42,319.89

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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.