Home / 55,324.20-82,986.30-45,604.20

Finding the Fourth Proportional to 55,324.20, 82,986.30 and 45,604.20

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Solution

The fourth proportional to 55,324.20, 82,986.30 and 45,604.20 is: 68,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.20 : 82,986.30 = 45,604.20 : x
  2. Step 2: Convert to fraction form
    55,324.20/82,986.30 = 45,604.20/x
  3. Step 3: Cross multiply
    55,324.20x = 82,986.30 × 45,604.20
  4. Step 4: Simplify right side
    55,324.20x = 3,784,523,822.46
  5. Step 5: Solve for x
    x = 3,784,523,822.46/55,324.20
  6. Step 6: Final answer
    x = 68,406.30

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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.