Home / 34,072.85-47,020.16-18,965.27

Finding the Fourth Proportional to 34,072.85, 47,020.16 and 18,965.27

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Solution

The fourth proportional to 34,072.85, 47,020.16 and 18,965.27 is: 26,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.85 : 47,020.16 = 18,965.27 : x
  2. Step 2: Convert to fraction form
    34,072.85/47,020.16 = 18,965.27/x
  3. Step 3: Cross multiply
    34,072.85x = 47,020.16 × 18,965.27
  4. Step 4: Simplify right side
    34,072.85x = 891,749,699.92
  5. Step 5: Solve for x
    x = 891,749,699.92/34,072.85
  6. Step 6: Final answer
    x = 26,171.86

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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.