Home / 36,890.20-55,364.10-17,171.20

Finding the Fourth Proportional to 36,890.20, 55,364.10 and 17,171.20

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Solution

The fourth proportional to 36,890.20, 55,364.10 and 17,171.20 is: 25,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.20 : 55,364.10 = 17,171.20 : x
  2. Step 2: Convert to fraction form
    36,890.20/55,364.10 = 17,171.20/x
  3. Step 3: Cross multiply
    36,890.20x = 55,364.10 × 17,171.20
  4. Step 4: Simplify right side
    36,890.20x = 950,668,033.92
  5. Step 5: Solve for x
    x = 950,668,033.92/36,890.20
  6. Step 6: Final answer
    x = 25,770.21

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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.