Home / 31,776.12-47,668.50-11,001.24

Finding the Fourth Proportional to 31,776.12, 47,668.50 and 11,001.24

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Solution

The fourth proportional to 31,776.12, 47,668.50 and 11,001.24 is: 16,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.12 : 47,668.50 = 11,001.24 : x
  2. Step 2: Convert to fraction form
    31,776.12/47,668.50 = 11,001.24/x
  3. Step 3: Cross multiply
    31,776.12x = 47,668.50 × 11,001.24
  4. Step 4: Simplify right side
    31,776.12x = 524,412,608.94
  5. Step 5: Solve for x
    x = 524,412,608.94/31,776.12
  6. Step 6: Final answer
    x = 16,503.36

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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.