Home / 48,052.10-72,077.98-12,991.75

Finding the Fourth Proportional to 48,052.10, 72,077.98 and 12,991.75

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Solution

The fourth proportional to 48,052.10, 72,077.98 and 12,991.75 is: 19,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,052.10 : 72,077.98 = 12,991.75 : x
  2. Step 2: Convert to fraction form
    48,052.10/72,077.98 = 12,991.75/x
  3. Step 3: Cross multiply
    48,052.10x = 72,077.98 × 12,991.75
  4. Step 4: Simplify right side
    48,052.10x = 936,419,096.67
  5. Step 5: Solve for x
    x = 936,419,096.67/48,052.10
  6. Step 6: Final answer
    x = 19,487.58

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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.