Home / 31,848.90-47,774.43-8,475.36

Finding the Fourth Proportional to 31,848.90, 47,774.43 and 8,475.36

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Solution

The fourth proportional to 31,848.90, 47,774.43 and 8,475.36 is: 12,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.90 : 47,774.43 = 8,475.36 : x
  2. Step 2: Convert to fraction form
    31,848.90/47,774.43 = 8,475.36/x
  3. Step 3: Cross multiply
    31,848.90x = 47,774.43 × 8,475.36
  4. Step 4: Simplify right side
    31,848.90x = 404,905,493.04
  5. Step 5: Solve for x
    x = 404,905,493.04/31,848.90
  6. Step 6: Final answer
    x = 12,713.33

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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.