Home / 30,981.56-46,472.25-8,794.96

Finding the Fourth Proportional to 30,981.56, 46,472.25 and 8,794.96

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Solution

The fourth proportional to 30,981.56, 46,472.25 and 8,794.96 is: 13,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.56 : 46,472.25 = 8,794.96 : x
  2. Step 2: Convert to fraction form
    30,981.56/46,472.25 = 8,794.96/x
  3. Step 3: Cross multiply
    30,981.56x = 46,472.25 × 8,794.96
  4. Step 4: Simplify right side
    30,981.56x = 408,721,579.86
  5. Step 5: Solve for x
    x = 408,721,579.86/30,981.56
  6. Step 6: Final answer
    x = 13,192.41

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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.