Home / 36,030.25-54,007.70-12,329.84

Finding the Fourth Proportional to 36,030.25, 54,007.70 and 12,329.84

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Solution

The fourth proportional to 36,030.25, 54,007.70 and 12,329.84 is: 18,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.25 : 54,007.70 = 12,329.84 : x
  2. Step 2: Convert to fraction form
    36,030.25/54,007.70 = 12,329.84/x
  3. Step 3: Cross multiply
    36,030.25x = 54,007.70 × 12,329.84
  4. Step 4: Simplify right side
    36,030.25x = 665,906,299.77
  5. Step 5: Solve for x
    x = 665,906,299.77/36,030.25
  6. Step 6: Final answer
    x = 18,481.87

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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.