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Finding the Fourth Proportional to 30,788.58, 46,170.15 and 10,793.88

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Solution

The fourth proportional to 30,788.58, 46,170.15 and 10,793.88 is: 16,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,788.58 : 46,170.15 = 10,793.88 : x
  2. Step 2: Convert to fraction form
    30,788.58/46,170.15 = 10,793.88/x
  3. Step 3: Cross multiply
    30,788.58x = 46,170.15 × 10,793.88
  4. Step 4: Simplify right side
    30,788.58x = 498,355,058.68
  5. Step 5: Solve for x
    x = 498,355,058.68/30,788.58
  6. Step 6: Final answer
    x = 16,186.36

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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.