Home / 30,220.64-41,705.04-16,793.12

Finding the Fourth Proportional to 30,220.64, 41,705.04 and 16,793.12

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Solution

The fourth proportional to 30,220.64, 41,705.04 and 16,793.12 is: 23,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.64 : 41,705.04 = 16,793.12 : x
  2. Step 2: Convert to fraction form
    30,220.64/41,705.04 = 16,793.12/x
  3. Step 3: Cross multiply
    30,220.64x = 41,705.04 × 16,793.12
  4. Step 4: Simplify right side
    30,220.64x = 700,357,741.32
  5. Step 5: Solve for x
    x = 700,357,741.32/30,220.64
  6. Step 6: Final answer
    x = 23,174.82

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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.