Home / 30,200.08-41,674.70-16,772.20

Finding the Fourth Proportional to 30,200.08, 41,674.70 and 16,772.20

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Solution

The fourth proportional to 30,200.08, 41,674.70 and 16,772.20 is: 23,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.08 : 41,674.70 = 16,772.20 : x
  2. Step 2: Convert to fraction form
    30,200.08/41,674.70 = 16,772.20/x
  3. Step 3: Cross multiply
    30,200.08x = 41,674.70 × 16,772.20
  4. Step 4: Simplify right side
    30,200.08x = 698,976,403.34
  5. Step 5: Solve for x
    x = 698,976,403.34/30,200.08
  6. Step 6: Final answer
    x = 23,144.85

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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.