Home / 30,269.70-45,404.55-27,645.30

Finding the Fourth Proportional to 30,269.70, 45,404.55 and 27,645.30

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Solution

The fourth proportional to 30,269.70, 45,404.55 and 27,645.30 is: 41,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.70 : 45,404.55 = 27,645.30 : x
  2. Step 2: Convert to fraction form
    30,269.70/45,404.55 = 27,645.30/x
  3. Step 3: Cross multiply
    30,269.70x = 45,404.55 × 27,645.30
  4. Step 4: Simplify right side
    30,269.70x = 1,255,222,406.12
  5. Step 5: Solve for x
    x = 1,255,222,406.12/30,269.70
  6. Step 6: Final answer
    x = 41,467.95

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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.