Home / 30,246.20-41,739.75-16,998.20

Finding the Fourth Proportional to 30,246.20, 41,739.75 and 16,998.20

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Solution

The fourth proportional to 30,246.20, 41,739.75 and 16,998.20 is: 23,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.20 : 41,739.75 = 16,998.20 : x
  2. Step 2: Convert to fraction form
    30,246.20/41,739.75 = 16,998.20/x
  3. Step 3: Cross multiply
    30,246.20x = 41,739.75 × 16,998.20
  4. Step 4: Simplify right side
    30,246.20x = 709,500,409.75
  5. Step 5: Solve for x
    x = 709,500,409.75/30,246.20
  6. Step 6: Final answer
    x = 23,457.51

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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.