Home / 75,433.36-113,164.60-28,682.58

Finding the Fourth Proportional to 75,433.36, 113,164.60 and 28,682.58

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Solution

The fourth proportional to 75,433.36, 113,164.60 and 28,682.58 is: 43,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,433.36 : 113,164.60 = 28,682.58 : x
  2. Step 2: Convert to fraction form
    75,433.36/113,164.60 = 28,682.58/x
  3. Step 3: Cross multiply
    75,433.36x = 113,164.60 × 28,682.58
  4. Step 4: Simplify right side
    75,433.36x = 3,245,852,692.67
  5. Step 5: Solve for x
    x = 3,245,852,692.67/75,433.36
  6. Step 6: Final answer
    x = 43,029.41

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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.