Home / 45,452.58-68,189.64-14,287.86

Finding the Fourth Proportional to 45,452.58, 68,189.64 and 14,287.86

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Solution

The fourth proportional to 45,452.58, 68,189.64 and 14,287.86 is: 21,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.58 : 68,189.64 = 14,287.86 : x
  2. Step 2: Convert to fraction form
    45,452.58/68,189.64 = 14,287.86/x
  3. Step 3: Cross multiply
    45,452.58x = 68,189.64 × 14,287.86
  4. Step 4: Simplify right side
    45,452.58x = 974,284,029.77
  5. Step 5: Solve for x
    x = 974,284,029.77/45,452.58
  6. Step 6: Final answer
    x = 21,435.18

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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.