Home / 40,032.89-55,245.61-21,883.64

Finding the Fourth Proportional to 40,032.89, 55,245.61 and 21,883.64

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Solution

The fourth proportional to 40,032.89, 55,245.61 and 21,883.64 is: 30,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.89 : 55,245.61 = 21,883.64 : x
  2. Step 2: Convert to fraction form
    40,032.89/55,245.61 = 21,883.64/x
  3. Step 3: Cross multiply
    40,032.89x = 55,245.61 × 21,883.64
  4. Step 4: Simplify right side
    40,032.89x = 1,208,975,040.82
  5. Step 5: Solve for x
    x = 1,208,975,040.82/40,032.89
  6. Step 6: Final answer
    x = 30,199.54

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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.