Home / 34,270.69-51,406.03-19,278.80

Finding the Fourth Proportional to 34,270.69, 51,406.03 and 19,278.80

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Solution

The fourth proportional to 34,270.69, 51,406.03 and 19,278.80 is: 28,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.69 : 51,406.03 = 19,278.80 : x
  2. Step 2: Convert to fraction form
    34,270.69/51,406.03 = 19,278.80/x
  3. Step 3: Cross multiply
    34,270.69x = 51,406.03 × 19,278.80
  4. Step 4: Simplify right side
    34,270.69x = 991,046,474.77
  5. Step 5: Solve for x
    x = 991,046,474.77/34,270.69
  6. Step 6: Final answer
    x = 28,918.20

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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.