Home / 50,739.85-76,139.84-28,269.33

Finding the Fourth Proportional to 50,739.85, 76,139.84 and 28,269.33

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Solution

The fourth proportional to 50,739.85, 76,139.84 and 28,269.33 is: 42,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.85 : 76,139.84 = 28,269.33 : x
  2. Step 2: Convert to fraction form
    50,739.85/76,139.84 = 28,269.33/x
  3. Step 3: Cross multiply
    50,739.85x = 76,139.84 × 28,269.33
  4. Step 4: Simplify right side
    50,739.85x = 2,152,422,263.11
  5. Step 5: Solve for x
    x = 2,152,422,263.11/50,739.85
  6. Step 6: Final answer
    x = 42,420.75

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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.