Home / 44,231.72-66,337.25-12,640.91

Finding the Fourth Proportional to 44,231.72, 66,337.25 and 12,640.91

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Solution

The fourth proportional to 44,231.72, 66,337.25 and 12,640.91 is: 18,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,231.72 : 66,337.25 = 12,640.91 : x
  2. Step 2: Convert to fraction form
    44,231.72/66,337.25 = 12,640.91/x
  3. Step 3: Cross multiply
    44,231.72x = 66,337.25 × 12,640.91
  4. Step 4: Simplify right side
    44,231.72x = 838,562,812.01
  5. Step 5: Solve for x
    x = 838,562,812.01/44,231.72
  6. Step 6: Final answer
    x = 18,958.41

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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.