Home / 47,112.72-70,669.08-17,538

Finding the Fourth Proportional to 47,112.72, 70,669.08 and 17,538

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Solution

The fourth proportional to 47,112.72, 70,669.08 and 17,538 is: 26,307

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.72 : 70,669.08 = 17,538 : x
  2. Step 2: Convert to fraction form
    47,112.72/70,669.08 = 17,538/x
  3. Step 3: Cross multiply
    47,112.72x = 70,669.08 × 17,538
  4. Step 4: Simplify right side
    47,112.72x = 1,239,394,325.04
  5. Step 5: Solve for x
    x = 1,239,394,325.04/47,112.72
  6. Step 6: Final answer
    x = 26,307

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.