Home / 33,178.40-49,767.60-10,995.20

Finding the Fourth Proportional to 33,178.40, 49,767.60 and 10,995.20

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Solution

The fourth proportional to 33,178.40, 49,767.60 and 10,995.20 is: 16,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,178.40 : 49,767.60 = 10,995.20 : x
  2. Step 2: Convert to fraction form
    33,178.40/49,767.60 = 10,995.20/x
  3. Step 3: Cross multiply
    33,178.40x = 49,767.60 × 10,995.20
  4. Step 4: Simplify right side
    33,178.40x = 547,204,715.52
  5. Step 5: Solve for x
    x = 547,204,715.52/33,178.40
  6. Step 6: Final answer
    x = 16,492.80

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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.