Home / 54,771.36-75,587.97-30,889.32

Finding the Fourth Proportional to 54,771.36, 75,587.97 and 30,889.32

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Solution

The fourth proportional to 54,771.36, 75,587.97 and 30,889.32 is: 42,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.36 : 75,587.97 = 30,889.32 : x
  2. Step 2: Convert to fraction form
    54,771.36/75,587.97 = 30,889.32/x
  3. Step 3: Cross multiply
    54,771.36x = 75,587.97 × 30,889.32
  4. Step 4: Simplify right side
    54,771.36x = 2,334,860,615.54
  5. Step 5: Solve for x
    x = 2,334,860,615.54/54,771.36
  6. Step 6: Final answer
    x = 42,629.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.