Home / 64,979.64-97,474.50-20,608.92

Finding the Fourth Proportional to 64,979.64, 97,474.50 and 20,608.92

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Solution

The fourth proportional to 64,979.64, 97,474.50 and 20,608.92 is: 30,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.64 : 97,474.50 = 20,608.92 : x
  2. Step 2: Convert to fraction form
    64,979.64/97,474.50 = 20,608.92/x
  3. Step 3: Cross multiply
    64,979.64x = 97,474.50 × 20,608.92
  4. Step 4: Simplify right side
    64,979.64x = 2,008,844,172.54
  5. Step 5: Solve for x
    x = 2,008,844,172.54/64,979.64
  6. Step 6: Final answer
    x = 30,914.98

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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.