Home / 34,190.38-51,280.44-10,813.78

Finding the Fourth Proportional to 34,190.38, 51,280.44 and 10,813.78

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Solution

The fourth proportional to 34,190.38, 51,280.44 and 10,813.78 is: 16,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.38 : 51,280.44 = 10,813.78 : x
  2. Step 2: Convert to fraction form
    34,190.38/51,280.44 = 10,813.78/x
  3. Step 3: Cross multiply
    34,190.38x = 51,280.44 × 10,813.78
  4. Step 4: Simplify right side
    34,190.38x = 554,535,480.84
  5. Step 5: Solve for x
    x = 554,535,480.84/34,190.38
  6. Step 6: Final answer
    x = 16,219.05

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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.