Home / 46,910.80-70,369.89-13,631.44

Finding the Fourth Proportional to 46,910.80, 70,369.89 and 13,631.44

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Solution

The fourth proportional to 46,910.80, 70,369.89 and 13,631.44 is: 20,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,910.80 : 70,369.89 = 13,631.44 : x
  2. Step 2: Convert to fraction form
    46,910.80/70,369.89 = 13,631.44/x
  3. Step 3: Cross multiply
    46,910.80x = 70,369.89 × 13,631.44
  4. Step 4: Simplify right side
    46,910.80x = 959,242,933.34
  5. Step 5: Solve for x
    x = 959,242,933.34/46,910.80
  6. Step 6: Final answer
    x = 20,448.23

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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.