Home / 103,638.45-155,457.68-33,524.85

Finding the Fourth Proportional to 103,638.45, 155,457.68 and 33,524.85

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Solution

The fourth proportional to 103,638.45, 155,457.68 and 33,524.85 is: 50,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638.45 : 155,457.68 = 33,524.85 : x
  2. Step 2: Convert to fraction form
    103,638.45/155,457.68 = 33,524.85/x
  3. Step 3: Cross multiply
    103,638.45x = 155,457.68 × 33,524.85
  4. Step 4: Simplify right side
    103,638.45x = 5,211,695,403.35
  5. Step 5: Solve for x
    x = 5,211,695,403.35/103,638.45
  6. Step 6: Final answer
    x = 50,287.28

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1.5x scale

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.