Home / 34,776.63-47,991.51-18,861.12

Finding the Fourth Proportional to 34,776.63, 47,991.51 and 18,861.12

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Solution

The fourth proportional to 34,776.63, 47,991.51 and 18,861.12 is: 26,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,776.63 : 47,991.51 = 18,861.12 : x
  2. Step 2: Convert to fraction form
    34,776.63/47,991.51 = 18,861.12/x
  3. Step 3: Cross multiply
    34,776.63x = 47,991.51 × 18,861.12
  4. Step 4: Simplify right side
    34,776.63x = 905,173,629.09
  5. Step 5: Solve for x
    x = 905,173,629.09/34,776.63
  6. Step 6: Final answer
    x = 26,028.22

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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.