Home / 44,105.36-66,160.20-12,938

Finding the Fourth Proportional to 44,105.36, 66,160.20 and 12,938

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Solution

The fourth proportional to 44,105.36, 66,160.20 and 12,938 is: 19,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,105.36 : 66,160.20 = 12,938 : x
  2. Step 2: Convert to fraction form
    44,105.36/66,160.20 = 12,938/x
  3. Step 3: Cross multiply
    44,105.36x = 66,160.20 × 12,938
  4. Step 4: Simplify right side
    44,105.36x = 855,980,667.60
  5. Step 5: Solve for x
    x = 855,980,667.60/44,105.36
  6. Step 6: Final answer
    x = 19,407.63

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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.