Home / 55,896.20-83,844.30-18,960.20

Finding the Fourth Proportional to 55,896.20, 83,844.30 and 18,960.20

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Solution

The fourth proportional to 55,896.20, 83,844.30 and 18,960.20 is: 28,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.20 : 83,844.30 = 18,960.20 : x
  2. Step 2: Convert to fraction form
    55,896.20/83,844.30 = 18,960.20/x
  3. Step 3: Cross multiply
    55,896.20x = 83,844.30 × 18,960.20
  4. Step 4: Simplify right side
    55,896.20x = 1,589,704,696.86
  5. Step 5: Solve for x
    x = 1,589,704,696.86/55,896.20
  6. Step 6: Final answer
    x = 28,440.30

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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.