Home / 64,927.72-97,380.60-18,169.84

Finding the Fourth Proportional to 64,927.72, 97,380.60 and 18,169.84

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Solution

The fourth proportional to 64,927.72, 97,380.60 and 18,169.84 is: 27,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,927.72 : 97,380.60 = 18,169.84 : x
  2. Step 2: Convert to fraction form
    64,927.72/97,380.60 = 18,169.84/x
  3. Step 3: Cross multiply
    64,927.72x = 97,380.60 × 18,169.84
  4. Step 4: Simplify right side
    64,927.72x = 1,769,389,921.10
  5. Step 5: Solve for x
    x = 1,769,389,921.10/64,927.72
  6. Step 6: Final answer
    x = 27,251.69

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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.