Home / 43,039.82-64,563.46-11,875.07

Finding the Fourth Proportional to 43,039.82, 64,563.46 and 11,875.07

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Solution

The fourth proportional to 43,039.82, 64,563.46 and 11,875.07 is: 17,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.82 : 64,563.46 = 11,875.07 : x
  2. Step 2: Convert to fraction form
    43,039.82/64,563.46 = 11,875.07/x
  3. Step 3: Cross multiply
    43,039.82x = 64,563.46 × 11,875.07
  4. Step 4: Simplify right side
    43,039.82x = 766,695,738.66
  5. Step 5: Solve for x
    x = 766,695,738.66/43,039.82
  6. Step 6: Final answer
    x = 17,813.64

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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.