Home / 30,269.60-45,414.62-13,400.28

Finding the Fourth Proportional to 30,269.60, 45,414.62 and 13,400.28

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Solution

The fourth proportional to 30,269.60, 45,414.62 and 13,400.28 is: 20,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.60 : 45,414.62 = 13,400.28 : x
  2. Step 2: Convert to fraction form
    30,269.60/45,414.62 = 13,400.28/x
  3. Step 3: Cross multiply
    30,269.60x = 45,414.62 × 13,400.28
  4. Step 4: Simplify right side
    30,269.60x = 608,568,557.09
  5. Step 5: Solve for x
    x = 608,568,557.09/30,269.60
  6. Step 6: Final answer
    x = 20,104.94

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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.