Home / 30,929.12-46,395.36-8,744.24

Finding the Fourth Proportional to 30,929.12, 46,395.36 and 8,744.24

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Solution

The fourth proportional to 30,929.12, 46,395.36 and 8,744.24 is: 13,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.12 : 46,395.36 = 8,744.24 : x
  2. Step 2: Convert to fraction form
    30,929.12/46,395.36 = 8,744.24/x
  3. Step 3: Cross multiply
    30,929.12x = 46,395.36 × 8,744.24
  4. Step 4: Simplify right side
    30,929.12x = 405,692,162.73
  5. Step 5: Solve for x
    x = 405,692,162.73/30,929.12
  6. Step 6: Final answer
    x = 13,116.83

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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.