Home / 40,729.28-61,076.59-18,556.75

Finding the Fourth Proportional to 40,729.28, 61,076.59 and 18,556.75

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Solution

The fourth proportional to 40,729.28, 61,076.59 and 18,556.75 is: 27,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.28 : 61,076.59 = 18,556.75 : x
  2. Step 2: Convert to fraction form
    40,729.28/61,076.59 = 18,556.75/x
  3. Step 3: Cross multiply
    40,729.28x = 61,076.59 × 18,556.75
  4. Step 4: Simplify right side
    40,729.28x = 1,133,382,828.36
  5. Step 5: Solve for x
    x = 1,133,382,828.36/40,729.28
  6. Step 6: Final answer
    x = 27,827.22

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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.