Home / 30,110.70-41,559.68-20,039.56

Finding the Fourth Proportional to 30,110.70, 41,559.68 and 20,039.56

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Solution

The fourth proportional to 30,110.70, 41,559.68 and 20,039.56 is: 27,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.70 : 41,559.68 = 20,039.56 : x
  2. Step 2: Convert to fraction form
    30,110.70/41,559.68 = 20,039.56/x
  3. Step 3: Cross multiply
    30,110.70x = 41,559.68 × 20,039.56
  4. Step 4: Simplify right side
    30,110.70x = 832,837,700.94
  5. Step 5: Solve for x
    x = 832,837,700.94/30,110.70
  6. Step 6: Final answer
    x = 27,659.19

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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.