Home / 30,110.24-45,170.44-11,136

Finding the Fourth Proportional to 30,110.24, 45,170.44 and 11,136

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Solution

The fourth proportional to 30,110.24, 45,170.44 and 11,136 is: 16,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.24 : 45,170.44 = 11,136 : x
  2. Step 2: Convert to fraction form
    30,110.24/45,170.44 = 11,136/x
  3. Step 3: Cross multiply
    30,110.24x = 45,170.44 × 11,136
  4. Step 4: Simplify right side
    30,110.24x = 503,018,019.84
  5. Step 5: Solve for x
    x = 503,018,019.84/30,110.24
  6. Step 6: Final answer
    x = 16,705.88

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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.