Home / 43,218.91-64,833.23-13,627.99

Finding the Fourth Proportional to 43,218.91, 64,833.23 and 13,627.99

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Solution

The fourth proportional to 43,218.91, 64,833.23 and 13,627.99 is: 20,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218.91 : 64,833.23 = 13,627.99 : x
  2. Step 2: Convert to fraction form
    43,218.91/64,833.23 = 13,627.99/x
  3. Step 3: Cross multiply
    43,218.91x = 64,833.23 × 13,627.99
  4. Step 4: Simplify right side
    43,218.91x = 883,546,610.11
  5. Step 5: Solve for x
    x = 883,546,610.11/43,218.91
  6. Step 6: Final answer
    x = 20,443.52

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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.