Home / 51,863.56-77,777.99-20,265.42

Finding the Fourth Proportional to 51,863.56, 77,777.99 and 20,265.42

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Solution

The fourth proportional to 51,863.56, 77,777.99 and 20,265.42 is: 30,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,863.56 : 77,777.99 = 20,265.42 : x
  2. Step 2: Convert to fraction form
    51,863.56/77,777.99 = 20,265.42/x
  3. Step 3: Cross multiply
    51,863.56x = 77,777.99 × 20,265.42
  4. Step 4: Simplify right side
    51,863.56x = 1,576,203,634.11
  5. Step 5: Solve for x
    x = 1,576,203,634.11/51,863.56
  6. Step 6: Final answer
    x = 30,391.35

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1.5x scale

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.