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Finding the Fourth Proportional to 30,598.30, 45,898.58 and 8,413.41

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Solution

The fourth proportional to 30,598.30, 45,898.58 and 8,413.41 is: 12,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.30 : 45,898.58 = 8,413.41 : x
  2. Step 2: Convert to fraction form
    30,598.30/45,898.58 = 8,413.41/x
  3. Step 3: Cross multiply
    30,598.30x = 45,898.58 × 8,413.41
  4. Step 4: Simplify right side
    30,598.30x = 386,163,571.96
  5. Step 5: Solve for x
    x = 386,163,571.96/30,598.30
  6. Step 6: Final answer
    x = 12,620.43

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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.