Home / 34,072.90-47,020.26-18,965.32

Finding the Fourth Proportional to 34,072.90, 47,020.26 and 18,965.32

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Solution

The fourth proportional to 34,072.90, 47,020.26 and 18,965.32 is: 26,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.90 : 47,020.26 = 18,965.32 : x
  2. Step 2: Convert to fraction form
    34,072.90/47,020.26 = 18,965.32/x
  3. Step 3: Cross multiply
    34,072.90x = 47,020.26 × 18,965.32
  4. Step 4: Simplify right side
    34,072.90x = 891,754,277.38
  5. Step 5: Solve for x
    x = 891,754,277.38/34,072.90
  6. Step 6: Final answer
    x = 26,171.95

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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.