Home / 64,905.70-97,351.35-18,163.30

Finding the Fourth Proportional to 64,905.70, 97,351.35 and 18,163.30

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Solution

The fourth proportional to 64,905.70, 97,351.35 and 18,163.30 is: 27,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.70 : 97,351.35 = 18,163.30 : x
  2. Step 2: Convert to fraction form
    64,905.70/97,351.35 = 18,163.30/x
  3. Step 3: Cross multiply
    64,905.70x = 97,351.35 × 18,163.30
  4. Step 4: Simplify right side
    64,905.70x = 1,768,221,775.46
  5. Step 5: Solve for x
    x = 1,768,221,775.46/64,905.70
  6. Step 6: Final answer
    x = 27,242.94

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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.