Home / 30,169.94-45,255.42-10,449.08

Finding the Fourth Proportional to 30,169.94, 45,255.42 and 10,449.08

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Solution

The fourth proportional to 30,169.94, 45,255.42 and 10,449.08 is: 15,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.94 : 45,255.42 = 10,449.08 : x
  2. Step 2: Convert to fraction form
    30,169.94/45,255.42 = 10,449.08/x
  3. Step 3: Cross multiply
    30,169.94x = 45,255.42 × 10,449.08
  4. Step 4: Simplify right side
    30,169.94x = 472,877,504.01
  5. Step 5: Solve for x
    x = 472,877,504.01/30,169.94
  6. Step 6: Final answer
    x = 15,673.80

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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.