Home / 43,157.30-64,744.11-16,860.38

Finding the Fourth Proportional to 43,157.30, 64,744.11 and 16,860.38

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Solution

The fourth proportional to 43,157.30, 64,744.11 and 16,860.38 is: 25,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.30 : 64,744.11 = 16,860.38 : x
  2. Step 2: Convert to fraction form
    43,157.30/64,744.11 = 16,860.38/x
  3. Step 3: Cross multiply
    43,157.30x = 64,744.11 × 16,860.38
  4. Step 4: Simplify right side
    43,157.30x = 1,091,609,973.64
  5. Step 5: Solve for x
    x = 1,091,609,973.64/43,157.30
  6. Step 6: Final answer
    x = 25,293.75

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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.