Home / 43,047.85-64,557.42-18,083.24

Finding the Fourth Proportional to 43,047.85, 64,557.42 and 18,083.24

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Solution

The fourth proportional to 43,047.85, 64,557.42 and 18,083.24 is: 27,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047.85 : 64,557.42 = 18,083.24 : x
  2. Step 2: Convert to fraction form
    43,047.85/64,557.42 = 18,083.24/x
  3. Step 3: Cross multiply
    43,047.85x = 64,557.42 × 18,083.24
  4. Step 4: Simplify right side
    43,047.85x = 1,167,407,571.52
  5. Step 5: Solve for x
    x = 1,167,407,571.52/43,047.85
  6. Step 6: Final answer
    x = 27,118.84

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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.