Home / 30,212.92-41,693.88-16,784.20

Finding the Fourth Proportional to 30,212.92, 41,693.88 and 16,784.20

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Solution

The fourth proportional to 30,212.92, 41,693.88 and 16,784.20 is: 23,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.92 : 41,693.88 = 16,784.20 : x
  2. Step 2: Convert to fraction form
    30,212.92/41,693.88 = 16,784.20/x
  3. Step 3: Cross multiply
    30,212.92x = 41,693.88 × 16,784.20
  4. Step 4: Simplify right side
    30,212.92x = 699,798,420.70
  5. Step 5: Solve for x
    x = 699,798,420.70/30,212.92
  6. Step 6: Final answer
    x = 23,162.22

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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.