Home / 31,021.82-46,526.55-8,835.38

Finding the Fourth Proportional to 31,021.82, 46,526.55 and 8,835.38

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Solution

The fourth proportional to 31,021.82, 46,526.55 and 8,835.38 is: 13,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.82 : 46,526.55 = 8,835.38 : x
  2. Step 2: Convert to fraction form
    31,021.82/46,526.55 = 8,835.38/x
  3. Step 3: Cross multiply
    31,021.82x = 46,526.55 × 8,835.38
  4. Step 4: Simplify right side
    31,021.82x = 411,079,749.34
  5. Step 5: Solve for x
    x = 411,079,749.34/31,021.82
  6. Step 6: Final answer
    x = 13,251.31

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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.