Home / 30,162.68-41,623.50-18,223.92

Finding the Fourth Proportional to 30,162.68, 41,623.50 and 18,223.92

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Solution

The fourth proportional to 30,162.68, 41,623.50 and 18,223.92 is: 25,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.68 : 41,623.50 = 18,223.92 : x
  2. Step 2: Convert to fraction form
    30,162.68/41,623.50 = 18,223.92/x
  3. Step 3: Cross multiply
    30,162.68x = 41,623.50 × 18,223.92
  4. Step 4: Simplify right side
    30,162.68x = 758,543,334.12
  5. Step 5: Solve for x
    x = 758,543,334.12/30,162.68
  6. Step 6: Final answer
    x = 25,148.41

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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.