Home / 30,260.96-41,756.73-18,158.99

Finding the Fourth Proportional to 30,260.96, 41,756.73 and 18,158.99

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Solution

The fourth proportional to 30,260.96, 41,756.73 and 18,158.99 is: 25,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.96 : 41,756.73 = 18,158.99 : x
  2. Step 2: Convert to fraction form
    30,260.96/41,756.73 = 18,158.99/x
  3. Step 3: Cross multiply
    30,260.96x = 41,756.73 × 18,158.99
  4. Step 4: Simplify right side
    30,260.96x = 758,259,833.72
  5. Step 5: Solve for x
    x = 758,259,833.72/30,260.96
  6. Step 6: Final answer
    x = 25,057.37

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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.