Home / 31,982.17-47,973.26-8,608

Finding the Fourth Proportional to 31,982.17, 47,973.26 and 8,608

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Solution

The fourth proportional to 31,982.17, 47,973.26 and 8,608 is: 12,912

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.17 : 47,973.26 = 8,608 : x
  2. Step 2: Convert to fraction form
    31,982.17/47,973.26 = 8,608/x
  3. Step 3: Cross multiply
    31,982.17x = 47,973.26 × 8,608
  4. Step 4: Simplify right side
    31,982.17x = 412,953,779.04
  5. Step 5: Solve for x
    x = 412,953,779.04/31,982.17
  6. Step 6: Final answer
    x = 12,912

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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.