Home / 43,272.23-64,911.99-13,689.41

Finding the Fourth Proportional to 43,272.23, 64,911.99 and 13,689.41

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Solution

The fourth proportional to 43,272.23, 64,911.99 and 13,689.41 is: 20,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.23 : 64,911.99 = 13,689.41 : x
  2. Step 2: Convert to fraction form
    43,272.23/64,911.99 = 13,689.41/x
  3. Step 3: Cross multiply
    43,272.23x = 64,911.99 × 13,689.41
  4. Step 4: Simplify right side
    43,272.23x = 888,606,845.03
  5. Step 5: Solve for x
    x = 888,606,845.03/43,272.23
  6. Step 6: Final answer
    x = 20,535.27

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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.