Home / 30,433.68-41,997.24-19,109.16

Finding the Fourth Proportional to 30,433.68, 41,997.24 and 19,109.16

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Solution

The fourth proportional to 30,433.68, 41,997.24 and 19,109.16 is: 26,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.68 : 41,997.24 = 19,109.16 : x
  2. Step 2: Convert to fraction form
    30,433.68/41,997.24 = 19,109.16/x
  3. Step 3: Cross multiply
    30,433.68x = 41,997.24 × 19,109.16
  4. Step 4: Simplify right side
    30,433.68x = 802,531,978.72
  5. Step 5: Solve for x
    x = 802,531,978.72/30,433.68
  6. Step 6: Final answer
    x = 26,369.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.