Home / 34,072.75-47,021.31-18,759.76

Finding the Fourth Proportional to 34,072.75, 47,021.31 and 18,759.76

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Solution

The fourth proportional to 34,072.75, 47,021.31 and 18,759.76 is: 25,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.75 : 47,021.31 = 18,759.76 : x
  2. Step 2: Convert to fraction form
    34,072.75/47,021.31 = 18,759.76/x
  3. Step 3: Cross multiply
    34,072.75x = 47,021.31 × 18,759.76
  4. Step 4: Simplify right side
    34,072.75x = 882,108,490.49
  5. Step 5: Solve for x
    x = 882,108,490.49/34,072.75
  6. Step 6: Final answer
    x = 25,888.97

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1.5x scale

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.