Home / 45,538.89-68,311.97-13,951.46

Finding the Fourth Proportional to 45,538.89, 68,311.97 and 13,951.46

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Solution

The fourth proportional to 45,538.89, 68,311.97 and 13,951.46 is: 20,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.89 : 68,311.97 = 13,951.46 : x
  2. Step 2: Convert to fraction form
    45,538.89/68,311.97 = 13,951.46/x
  3. Step 3: Cross multiply
    45,538.89x = 68,311.97 × 13,951.46
  4. Step 4: Simplify right side
    45,538.89x = 953,051,305.66
  5. Step 5: Solve for x
    x = 953,051,305.66/45,538.89
  6. Step 6: Final answer
    x = 20,928.29

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1.5x scale

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.