Home / 34,600.89-47,729.34-21,849.54

Finding the Fourth Proportional to 34,600.89, 47,729.34 and 21,849.54

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Solution

The fourth proportional to 34,600.89, 47,729.34 and 21,849.54 is: 30,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,600.89 : 47,729.34 = 21,849.54 : x
  2. Step 2: Convert to fraction form
    34,600.89/47,729.34 = 21,849.54/x
  3. Step 3: Cross multiply
    34,600.89x = 47,729.34 × 21,849.54
  4. Step 4: Simplify right side
    34,600.89x = 1,042,864,123.50
  5. Step 5: Solve for x
    x = 1,042,864,123.50/34,600.89
  6. Step 6: Final answer
    x = 30,139.81

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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.