Home / 34,586.40-47,729.33-20,243.63

Finding the Fourth Proportional to 34,586.40, 47,729.33 and 20,243.63

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Solution

The fourth proportional to 34,586.40, 47,729.33 and 20,243.63 is: 27,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,586.40 : 47,729.33 = 20,243.63 : x
  2. Step 2: Convert to fraction form
    34,586.40/47,729.33 = 20,243.63/x
  3. Step 3: Cross multiply
    34,586.40x = 47,729.33 × 20,243.63
  4. Step 4: Simplify right side
    34,586.40x = 966,214,556.80
  5. Step 5: Solve for x
    x = 966,214,556.80/34,586.40
  6. Step 6: Final answer
    x = 27,936.26

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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.