Home / 50,764.21-70,054.74-28,103.85

Finding the Fourth Proportional to 50,764.21, 70,054.74 and 28,103.85

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Solution

The fourth proportional to 50,764.21, 70,054.74 and 28,103.85 is: 38,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,764.21 : 70,054.74 = 28,103.85 : x
  2. Step 2: Convert to fraction form
    50,764.21/70,054.74 = 28,103.85/x
  3. Step 3: Cross multiply
    50,764.21x = 70,054.74 × 28,103.85
  4. Step 4: Simplify right side
    50,764.21x = 1,968,807,904.75
  5. Step 5: Solve for x
    x = 1,968,807,904.75/50,764.21
  6. Step 6: Final answer
    x = 38,783.39

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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.