Home / 44,012.62-66,014.25-12,421.90

Finding the Fourth Proportional to 44,012.62, 66,014.25 and 12,421.90

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Solution

The fourth proportional to 44,012.62, 66,014.25 and 12,421.90 is: 18,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,012.62 : 66,014.25 = 12,421.90 : x
  2. Step 2: Convert to fraction form
    44,012.62/66,014.25 = 12,421.90/x
  3. Step 3: Cross multiply
    44,012.62x = 66,014.25 × 12,421.90
  4. Step 4: Simplify right side
    44,012.62x = 820,022,412.08
  5. Step 5: Solve for x
    x = 820,022,412.08/44,012.62
  6. Step 6: Final answer
    x = 18,631.53

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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.