Home / 64,771.12-97,143.72-18,011.44

Finding the Fourth Proportional to 64,771.12, 97,143.72 and 18,011.44

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Solution

The fourth proportional to 64,771.12, 97,143.72 and 18,011.44 is: 27,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,771.12 : 97,143.72 = 18,011.44 : x
  2. Step 2: Convert to fraction form
    64,771.12/97,143.72 = 18,011.44/x
  3. Step 3: Cross multiply
    64,771.12x = 97,143.72 × 18,011.44
  4. Step 4: Simplify right side
    64,771.12x = 1,749,698,284.16
  5. Step 5: Solve for x
    x = 1,749,698,284.16/64,771.12
  6. Step 6: Final answer
    x = 27,013.56

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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.