Home / 30,221.80-41,707.52-16,793.08

Finding the Fourth Proportional to 30,221.80, 41,707.52 and 16,793.08

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Solution

The fourth proportional to 30,221.80, 41,707.52 and 16,793.08 is: 23,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221.80 : 41,707.52 = 16,793.08 : x
  2. Step 2: Convert to fraction form
    30,221.80/41,707.52 = 16,793.08/x
  3. Step 3: Cross multiply
    30,221.80x = 41,707.52 × 16,793.08
  4. Step 4: Simplify right side
    30,221.80x = 700,397,719.96
  5. Step 5: Solve for x
    x = 700,397,719.96/30,221.80
  6. Step 6: Final answer
    x = 23,175.25

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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.