Home / 44,081.20-66,128.28-14,493.52

Finding the Fourth Proportional to 44,081.20, 66,128.28 and 14,493.52

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Solution

The fourth proportional to 44,081.20, 66,128.28 and 14,493.52 is: 21,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,081.20 : 66,128.28 = 14,493.52 : x
  2. Step 2: Convert to fraction form
    44,081.20/66,128.28 = 14,493.52/x
  3. Step 3: Cross multiply
    44,081.20x = 66,128.28 × 14,493.52
  4. Step 4: Simplify right side
    44,081.20x = 958,431,548.75
  5. Step 5: Solve for x
    x = 958,431,548.75/44,081.20
  6. Step 6: Final answer
    x = 21,742.41

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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.