Home / 30,382.68-45,571.98-10,390.26

Finding the Fourth Proportional to 30,382.68, 45,571.98 and 10,390.26

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Solution

The fourth proportional to 30,382.68, 45,571.98 and 10,390.26 is: 15,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.68 : 45,571.98 = 10,390.26 : x
  2. Step 2: Convert to fraction form
    30,382.68/45,571.98 = 10,390.26/x
  3. Step 3: Cross multiply
    30,382.68x = 45,571.98 × 10,390.26
  4. Step 4: Simplify right side
    30,382.68x = 473,504,720.91
  5. Step 5: Solve for x
    x = 473,504,720.91/30,382.68
  6. Step 6: Final answer
    x = 15,584.69

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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.