Home / 30,285.48-41,793.62-16,856.52

Finding the Fourth Proportional to 30,285.48, 41,793.62 and 16,856.52

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Solution

The fourth proportional to 30,285.48, 41,793.62 and 16,856.52 is: 23,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.48 : 41,793.62 = 16,856.52 : x
  2. Step 2: Convert to fraction form
    30,285.48/41,793.62 = 16,856.52/x
  3. Step 3: Cross multiply
    30,285.48x = 41,793.62 × 16,856.52
  4. Step 4: Simplify right side
    30,285.48x = 704,494,991.40
  5. Step 5: Solve for x
    x = 704,494,991.40/30,285.48
  6. Step 6: Final answer
    x = 23,261.81

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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.