Home / 64,758.96-97,138.60-18,011.84

Finding the Fourth Proportional to 64,758.96, 97,138.60 and 18,011.84

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Solution

The fourth proportional to 64,758.96, 97,138.60 and 18,011.84 is: 27,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.96 : 97,138.60 = 18,011.84 : x
  2. Step 2: Convert to fraction form
    64,758.96/97,138.60 = 18,011.84/x
  3. Step 3: Cross multiply
    64,758.96x = 97,138.60 × 18,011.84
  4. Step 4: Simplify right side
    64,758.96x = 1,749,644,921.02
  5. Step 5: Solve for x
    x = 1,749,644,921.02/64,758.96
  6. Step 6: Final answer
    x = 27,017.80

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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.