Home / 33,130.06-49,684.49-10,939.30

Finding the Fourth Proportional to 33,130.06, 49,684.49 and 10,939.30

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Solution

The fourth proportional to 33,130.06, 49,684.49 and 10,939.30 is: 16,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.06 : 49,684.49 = 10,939.30 : x
  2. Step 2: Convert to fraction form
    33,130.06/49,684.49 = 10,939.30/x
  3. Step 3: Cross multiply
    33,130.06x = 49,684.49 × 10,939.30
  4. Step 4: Simplify right side
    33,130.06x = 543,513,651.42
  5. Step 5: Solve for x
    x = 543,513,651.42/33,130.06
  6. Step 6: Final answer
    x = 16,405.45

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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.