Home / 36,187.01-54,284.53-12,491.88

Finding the Fourth Proportional to 36,187.01, 54,284.53 and 12,491.88

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Solution

The fourth proportional to 36,187.01, 54,284.53 and 12,491.88 is: 18,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.01 : 54,284.53 = 12,491.88 : x
  2. Step 2: Convert to fraction form
    36,187.01/54,284.53 = 12,491.88/x
  3. Step 3: Cross multiply
    36,187.01x = 54,284.53 × 12,491.88
  4. Step 4: Simplify right side
    36,187.01x = 678,115,646.66
  5. Step 5: Solve for x
    x = 678,115,646.66/36,187.01
  6. Step 6: Final answer
    x = 18,739.20

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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.