Home / 34,407.23-51,480.41-20,374.79

Finding the Fourth Proportional to 34,407.23, 51,480.41 and 20,374.79

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Solution

The fourth proportional to 34,407.23, 51,480.41 and 20,374.79 is: 30,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,407.23 : 51,480.41 = 20,374.79 : x
  2. Step 2: Convert to fraction form
    34,407.23/51,480.41 = 20,374.79/x
  3. Step 3: Cross multiply
    34,407.23x = 51,480.41 × 20,374.79
  4. Step 4: Simplify right side
    34,407.23x = 1,048,902,183.59
  5. Step 5: Solve for x
    x = 1,048,902,183.59/34,407.23
  6. Step 6: Final answer
    x = 30,484.94

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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.