Home / 36,196.74-54,281.80-12,498.28

Finding the Fourth Proportional to 36,196.74, 54,281.80 and 12,498.28

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Solution

The fourth proportional to 36,196.74, 54,281.80 and 12,498.28 is: 18,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,196.74 : 54,281.80 = 12,498.28 : x
  2. Step 2: Convert to fraction form
    36,196.74/54,281.80 = 12,498.28/x
  3. Step 3: Cross multiply
    36,196.74x = 54,281.80 × 12,498.28
  4. Step 4: Simplify right side
    36,196.74x = 678,429,135.30
  5. Step 5: Solve for x
    x = 678,429,135.30/36,196.74
  6. Step 6: Final answer
    x = 18,742.82

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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.