Home / 30,285.26-45,371.40-21,944.90

Finding the Fourth Proportional to 30,285.26, 45,371.40 and 21,944.90

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Solution

The fourth proportional to 30,285.26, 45,371.40 and 21,944.90 is: 32,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.26 : 45,371.40 = 21,944.90 : x
  2. Step 2: Convert to fraction form
    30,285.26/45,371.40 = 21,944.90/x
  3. Step 3: Cross multiply
    30,285.26x = 45,371.40 × 21,944.90
  4. Step 4: Simplify right side
    30,285.26x = 995,670,835.86
  5. Step 5: Solve for x
    x = 995,670,835.86/30,285.26
  6. Step 6: Final answer
    x = 32,876.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.