Home / 65,285.32-97,912.14-30,191.44

Finding the Fourth Proportional to 65,285.32, 97,912.14 and 30,191.44

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Solution

The fourth proportional to 65,285.32, 97,912.14 and 30,191.44 is: 45,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,285.32 : 97,912.14 = 30,191.44 : x
  2. Step 2: Convert to fraction form
    65,285.32/97,912.14 = 30,191.44/x
  3. Step 3: Cross multiply
    65,285.32x = 97,912.14 × 30,191.44
  4. Step 4: Simplify right side
    65,285.32x = 2,956,108,500.08
  5. Step 5: Solve for x
    x = 2,956,108,500.08/65,285.32
  6. Step 6: Final answer
    x = 45,279.83

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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.