Home / 34,776.81-47,992.01-18,861.32

Finding the Fourth Proportional to 34,776.81, 47,992.01 and 18,861.32

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Solution

The fourth proportional to 34,776.81, 47,992.01 and 18,861.32 is: 26,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,776.81 : 47,992.01 = 18,861.32 : x
  2. Step 2: Convert to fraction form
    34,776.81/47,992.01 = 18,861.32/x
  3. Step 3: Cross multiply
    34,776.81x = 47,992.01 × 18,861.32
  4. Step 4: Simplify right side
    34,776.81x = 905,192,323.79
  5. Step 5: Solve for x
    x = 905,192,323.79/34,776.81
  6. Step 6: Final answer
    x = 26,028.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.