Home / 31,169.91-46,743.93-8,977.35

Finding the Fourth Proportional to 31,169.91, 46,743.93 and 8,977.35

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Solution

The fourth proportional to 31,169.91, 46,743.93 and 8,977.35 is: 13,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169.91 : 46,743.93 = 8,977.35 : x
  2. Step 2: Convert to fraction form
    31,169.91/46,743.93 = 8,977.35/x
  3. Step 3: Cross multiply
    31,169.91x = 46,743.93 × 8,977.35
  4. Step 4: Simplify right side
    31,169.91x = 419,636,619.99
  5. Step 5: Solve for x
    x = 419,636,619.99/31,169.91
  6. Step 6: Final answer
    x = 13,462.88

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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.