Home / 43,462.78-65,207.28-18,174.58

Finding the Fourth Proportional to 43,462.78, 65,207.28 and 18,174.58

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Solution

The fourth proportional to 43,462.78, 65,207.28 and 18,174.58 is: 27,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,462.78 : 65,207.28 = 18,174.58 : x
  2. Step 2: Convert to fraction form
    43,462.78/65,207.28 = 18,174.58/x
  3. Step 3: Cross multiply
    43,462.78x = 65,207.28 × 18,174.58
  4. Step 4: Simplify right side
    43,462.78x = 1,185,114,926.94
  5. Step 5: Solve for x
    x = 1,185,114,926.94/43,462.78
  6. Step 6: Final answer
    x = 27,267.35

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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.