Home / 47,545.82-71,318.73-12,485.42

Finding the Fourth Proportional to 47,545.82, 71,318.73 and 12,485.42

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Solution

The fourth proportional to 47,545.82, 71,318.73 and 12,485.42 is: 18,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,545.82 : 71,318.73 = 12,485.42 : x
  2. Step 2: Convert to fraction form
    47,545.82/71,318.73 = 12,485.42/x
  3. Step 3: Cross multiply
    47,545.82x = 71,318.73 × 12,485.42
  4. Step 4: Simplify right side
    47,545.82x = 890,444,297.92
  5. Step 5: Solve for x
    x = 890,444,297.92/47,545.82
  6. Step 6: Final answer
    x = 18,728.13

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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.