Home / 50,764.80-70,055.36-28,408.96

Finding the Fourth Proportional to 50,764.80, 70,055.36 and 28,408.96

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Solution

The fourth proportional to 50,764.80, 70,055.36 and 28,408.96 is: 39,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,764.80 : 70,055.36 = 28,408.96 : x
  2. Step 2: Convert to fraction form
    50,764.80/70,055.36 = 28,408.96/x
  3. Step 3: Cross multiply
    50,764.80x = 70,055.36 × 28,408.96
  4. Step 4: Simplify right side
    50,764.80x = 1,990,199,920.03
  5. Step 5: Solve for x
    x = 1,990,199,920.03/50,764.80
  6. Step 6: Final answer
    x = 39,204.33

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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.