Home / 30,163.86-41,612.13-18,826.02

Finding the Fourth Proportional to 30,163.86, 41,612.13 and 18,826.02

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Solution

The fourth proportional to 30,163.86, 41,612.13 and 18,826.02 is: 25,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.86 : 41,612.13 = 18,826.02 : x
  2. Step 2: Convert to fraction form
    30,163.86/41,612.13 = 18,826.02/x
  3. Step 3: Cross multiply
    30,163.86x = 41,612.13 × 18,826.02
  4. Step 4: Simplify right side
    30,163.86x = 783,390,791.62
  5. Step 5: Solve for x
    x = 783,390,791.62/30,163.86
  6. Step 6: Final answer
    x = 25,971.17

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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.