Home / 50,118.76-69,163.74-28,897.84

Finding the Fourth Proportional to 50,118.76, 69,163.74 and 28,897.84

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Solution

The fourth proportional to 50,118.76, 69,163.74 and 28,897.84 is: 39,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,118.76 : 69,163.74 = 28,897.84 : x
  2. Step 2: Convert to fraction form
    50,118.76/69,163.74 = 28,897.84/x
  3. Step 3: Cross multiply
    50,118.76x = 69,163.74 × 28,897.84
  4. Step 4: Simplify right side
    50,118.76x = 1,998,682,692.32
  5. Step 5: Solve for x
    x = 1,998,682,692.32/50,118.76
  6. Step 6: Final answer
    x = 39,878.93

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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.