Home / 31,317.15-46,949.40-14,668.41

Finding the Fourth Proportional to 31,317.15, 46,949.40 and 14,668.41

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Solution

The fourth proportional to 31,317.15, 46,949.40 and 14,668.41 is: 21,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.15 : 46,949.40 = 14,668.41 : x
  2. Step 2: Convert to fraction form
    31,317.15/46,949.40 = 14,668.41/x
  3. Step 3: Cross multiply
    31,317.15x = 46,949.40 × 14,668.41
  4. Step 4: Simplify right side
    31,317.15x = 688,673,048.45
  5. Step 5: Solve for x
    x = 688,673,048.45/31,317.15
  6. Step 6: Final answer
    x = 21,990.28

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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.