Home / 30,165.34-41,626.29-18,221.62

Finding the Fourth Proportional to 30,165.34, 41,626.29 and 18,221.62

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Solution

The fourth proportional to 30,165.34, 41,626.29 and 18,221.62 is: 25,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.34 : 41,626.29 = 18,221.62 : x
  2. Step 2: Convert to fraction form
    30,165.34/41,626.29 = 18,221.62/x
  3. Step 3: Cross multiply
    30,165.34x = 41,626.29 × 18,221.62
  4. Step 4: Simplify right side
    30,165.34x = 758,498,438.39
  5. Step 5: Solve for x
    x = 758,498,438.39/30,165.34
  6. Step 6: Final answer
    x = 25,144.70

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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.