Home / 65,214.50-97,835.78-20,234.96

Finding the Fourth Proportional to 65,214.50, 97,835.78 and 20,234.96

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Solution

The fourth proportional to 65,214.50, 97,835.78 and 20,234.96 is: 30,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,214.50 : 97,835.78 = 20,234.96 : x
  2. Step 2: Convert to fraction form
    65,214.50/97,835.78 = 20,234.96/x
  3. Step 3: Cross multiply
    65,214.50x = 97,835.78 × 20,234.96
  4. Step 4: Simplify right side
    65,214.50x = 1,979,703,094.87
  5. Step 5: Solve for x
    x = 1,979,703,094.87/65,214.50
  6. Step 6: Final answer
    x = 30,356.79

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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.