Home / 50,745.35-70,029.46-28,086.21

Finding the Fourth Proportional to 50,745.35, 70,029.46 and 28,086.21

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Solution

The fourth proportional to 50,745.35, 70,029.46 and 28,086.21 is: 38,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.35 : 70,029.46 = 28,086.21 : x
  2. Step 2: Convert to fraction form
    50,745.35/70,029.46 = 28,086.21/x
  3. Step 3: Cross multiply
    50,745.35x = 70,029.46 × 28,086.21
  4. Step 4: Simplify right side
    50,745.35x = 1,966,862,154.85
  5. Step 5: Solve for x
    x = 1,966,862,154.85/50,745.35
  6. Step 6: Final answer
    x = 38,759.45

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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.