Home / 30,733.70-46,111.55-12,968.78

Finding the Fourth Proportional to 30,733.70, 46,111.55 and 12,968.78

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Solution

The fourth proportional to 30,733.70, 46,111.55 and 12,968.78 is: 19,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.70 : 46,111.55 = 12,968.78 : x
  2. Step 2: Convert to fraction form
    30,733.70/46,111.55 = 12,968.78/x
  3. Step 3: Cross multiply
    30,733.70x = 46,111.55 × 12,968.78
  4. Step 4: Simplify right side
    30,733.70x = 598,010,252.01
  5. Step 5: Solve for x
    x = 598,010,252.01/30,733.70
  6. Step 6: Final answer
    x = 19,457.81

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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.