Home / 43,072.23-64,609.53-11,907.48

Finding the Fourth Proportional to 43,072.23, 64,609.53 and 11,907.48

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Solution

The fourth proportional to 43,072.23, 64,609.53 and 11,907.48 is: 17,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072.23 : 64,609.53 = 11,907.48 : x
  2. Step 2: Convert to fraction form
    43,072.23/64,609.53 = 11,907.48/x
  3. Step 3: Cross multiply
    43,072.23x = 64,609.53 × 11,907.48
  4. Step 4: Simplify right side
    43,072.23x = 769,336,686.28
  5. Step 5: Solve for x
    x = 769,336,686.28/43,072.23
  6. Step 6: Final answer
    x = 17,861.55

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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.