Home / 30,057.10-41,492.63-21,450.04

Finding the Fourth Proportional to 30,057.10, 41,492.63 and 21,450.04

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Solution

The fourth proportional to 30,057.10, 41,492.63 and 21,450.04 is: 29,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.10 : 41,492.63 = 21,450.04 : x
  2. Step 2: Convert to fraction form
    30,057.10/41,492.63 = 21,450.04/x
  3. Step 3: Cross multiply
    30,057.10x = 41,492.63 × 21,450.04
  4. Step 4: Simplify right side
    30,057.10x = 890,018,523.10
  5. Step 5: Solve for x
    x = 890,018,523.10/30,057.10
  6. Step 6: Final answer
    x = 29,610.93

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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.