Home / 74,240.50-111,367.24-18,836.50

Finding the Fourth Proportional to 74,240.50, 111,367.24 and 18,836.50

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Solution

The fourth proportional to 74,240.50, 111,367.24 and 18,836.50 is: 28,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,240.50 : 111,367.24 = 18,836.50 : x
  2. Step 2: Convert to fraction form
    74,240.50/111,367.24 = 18,836.50/x
  3. Step 3: Cross multiply
    74,240.50x = 111,367.24 × 18,836.50
  4. Step 4: Simplify right side
    74,240.50x = 2,097,769,016.26
  5. Step 5: Solve for x
    x = 2,097,769,016.26/74,240.50
  6. Step 6: Final answer
    x = 28,256.40

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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.