Home / 30,845.31-46,286.39-28,335.72

Finding the Fourth Proportional to 30,845.31, 46,286.39 and 28,335.72

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Solution

The fourth proportional to 30,845.31, 46,286.39 and 28,335.72 is: 42,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.31 : 46,286.39 = 28,335.72 : x
  2. Step 2: Convert to fraction form
    30,845.31/46,286.39 = 28,335.72/x
  3. Step 3: Cross multiply
    30,845.31x = 46,286.39 × 28,335.72
  4. Step 4: Simplify right side
    30,845.31x = 1,311,558,186.85
  5. Step 5: Solve for x
    x = 1,311,558,186.85/30,845.31
  6. Step 6: Final answer
    x = 42,520.51

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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.