Home / 43,104.28-64,608.48-18,136.96

Finding the Fourth Proportional to 43,104.28, 64,608.48 and 18,136.96

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Solution

The fourth proportional to 43,104.28, 64,608.48 and 18,136.96 is: 27,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104.28 : 64,608.48 = 18,136.96 : x
  2. Step 2: Convert to fraction form
    43,104.28/64,608.48 = 18,136.96/x
  3. Step 3: Cross multiply
    43,104.28x = 64,608.48 × 18,136.96
  4. Step 4: Simplify right side
    43,104.28x = 1,171,801,417.42
  5. Step 5: Solve for x
    x = 1,171,801,417.42/43,104.28
  6. Step 6: Final answer
    x = 27,185.27

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1.5x scale

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.