Home / 36,806.45-55,210.58-13,432.88

Finding the Fourth Proportional to 36,806.45, 55,210.58 and 13,432.88

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Solution

The fourth proportional to 36,806.45, 55,210.58 and 13,432.88 is: 20,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.45 : 55,210.58 = 13,432.88 : x
  2. Step 2: Convert to fraction form
    36,806.45/55,210.58 = 13,432.88/x
  3. Step 3: Cross multiply
    36,806.45x = 55,210.58 × 13,432.88
  4. Step 4: Simplify right side
    36,806.45x = 741,636,752.65
  5. Step 5: Solve for x
    x = 741,636,752.65/36,806.45
  6. Step 6: Final answer
    x = 20,149.64

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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.