Home / 47,474.28-71,215.48-12,413.88

Finding the Fourth Proportional to 47,474.28, 71,215.48 and 12,413.88

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Solution

The fourth proportional to 47,474.28, 71,215.48 and 12,413.88 is: 18,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474.28 : 71,215.48 = 12,413.88 : x
  2. Step 2: Convert to fraction form
    47,474.28/71,215.48 = 12,413.88/x
  3. Step 3: Cross multiply
    47,474.28x = 71,215.48 × 12,413.88
  4. Step 4: Simplify right side
    47,474.28x = 884,060,422.86
  5. Step 5: Solve for x
    x = 884,060,422.86/47,474.28
  6. Step 6: Final answer
    x = 18,621.88

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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.