Home / 44,100.96-66,129.28-14,515.36

Finding the Fourth Proportional to 44,100.96, 66,129.28 and 14,515.36

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Solution

The fourth proportional to 44,100.96, 66,129.28 and 14,515.36 is: 21,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,100.96 : 66,129.28 = 14,515.36 : x
  2. Step 2: Convert to fraction form
    44,100.96/66,129.28 = 14,515.36/x
  3. Step 3: Cross multiply
    44,100.96x = 66,129.28 × 14,515.36
  4. Step 4: Simplify right side
    44,100.96x = 959,890,305.74
  5. Step 5: Solve for x
    x = 959,890,305.74/44,100.96
  6. Step 6: Final answer
    x = 21,765.75

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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.