Home / 30,311.25-41,823.18-17,563.70

Finding the Fourth Proportional to 30,311.25, 41,823.18 and 17,563.70

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Solution

The fourth proportional to 30,311.25, 41,823.18 and 17,563.70 is: 24,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.25 : 41,823.18 = 17,563.70 : x
  2. Step 2: Convert to fraction form
    30,311.25/41,823.18 = 17,563.70/x
  3. Step 3: Cross multiply
    30,311.25x = 41,823.18 × 17,563.70
  4. Step 4: Simplify right side
    30,311.25x = 734,569,577.45
  5. Step 5: Solve for x
    x = 734,569,577.45/30,311.25
  6. Step 6: Final answer
    x = 24,234.22

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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.