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Finding the Fourth Proportional to 30,848.80, 46,273.20 and 8,662.90

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Solution

The fourth proportional to 30,848.80, 46,273.20 and 8,662.90 is: 12,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.80 : 46,273.20 = 8,662.90 : x
  2. Step 2: Convert to fraction form
    30,848.80/46,273.20 = 8,662.90/x
  3. Step 3: Cross multiply
    30,848.80x = 46,273.20 × 8,662.90
  4. Step 4: Simplify right side
    30,848.80x = 400,860,104.28
  5. Step 5: Solve for x
    x = 400,860,104.28/30,848.80
  6. Step 6: Final answer
    x = 12,994.35

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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.