Home / 34,776.80-47,991.99-18,861.18

Finding the Fourth Proportional to 34,776.80, 47,991.99 and 18,861.18

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Solution

The fourth proportional to 34,776.80, 47,991.99 and 18,861.18 is: 26,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,776.80 : 47,991.99 = 18,861.18 : x
  2. Step 2: Convert to fraction form
    34,776.80/47,991.99 = 18,861.18/x
  3. Step 3: Cross multiply
    34,776.80x = 47,991.99 × 18,861.18
  4. Step 4: Simplify right side
    34,776.80x = 905,185,561.95
  5. Step 5: Solve for x
    x = 905,185,561.95/34,776.80
  6. Step 6: Final answer
    x = 26,028.44

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1.5x scale

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.