Home / 30,489.10-45,722.26-10,492.99

Finding the Fourth Proportional to 30,489.10, 45,722.26 and 10,492.99

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Solution

The fourth proportional to 30,489.10, 45,722.26 and 10,492.99 is: 15,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,489.10 : 45,722.26 = 10,492.99 : x
  2. Step 2: Convert to fraction form
    30,489.10/45,722.26 = 10,492.99/x
  3. Step 3: Cross multiply
    30,489.10x = 45,722.26 × 10,492.99
  4. Step 4: Simplify right side
    30,489.10x = 479,763,216.96
  5. Step 5: Solve for x
    x = 479,763,216.96/30,489.10
  6. Step 6: Final answer
    x = 15,735.57

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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.