Home / 30,212.70-41,695.38-16,784.07

Finding the Fourth Proportional to 30,212.70, 41,695.38 and 16,784.07

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Solution

The fourth proportional to 30,212.70, 41,695.38 and 16,784.07 is: 23,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.70 : 41,695.38 = 16,784.07 : x
  2. Step 2: Convert to fraction form
    30,212.70/41,695.38 = 16,784.07/x
  3. Step 3: Cross multiply
    30,212.70x = 41,695.38 × 16,784.07
  4. Step 4: Simplify right side
    30,212.70x = 699,818,176.60
  5. Step 5: Solve for x
    x = 699,818,176.60/30,212.70
  6. Step 6: Final answer
    x = 23,163.05

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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.