Home / 30,251.54-45,377.72-11,532.57

Finding the Fourth Proportional to 30,251.54, 45,377.72 and 11,532.57

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Solution

The fourth proportional to 30,251.54, 45,377.72 and 11,532.57 is: 17,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.54 : 45,377.72 = 11,532.57 : x
  2. Step 2: Convert to fraction form
    30,251.54/45,377.72 = 11,532.57/x
  3. Step 3: Cross multiply
    30,251.54x = 45,377.72 × 11,532.57
  4. Step 4: Simplify right side
    30,251.54x = 523,321,674.68
  5. Step 5: Solve for x
    x = 523,321,674.68/30,251.54
  6. Step 6: Final answer
    x = 17,299.01

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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.