Home / 43,431.98-65,167.95-30,125.30

Finding the Fourth Proportional to 43,431.98, 65,167.95 and 30,125.30

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Solution

The fourth proportional to 43,431.98, 65,167.95 and 30,125.30 is: 45,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431.98 : 65,167.95 = 30,125.30 : x
  2. Step 2: Convert to fraction form
    43,431.98/65,167.95 = 30,125.30/x
  3. Step 3: Cross multiply
    43,431.98x = 65,167.95 × 30,125.30
  4. Step 4: Simplify right side
    43,431.98x = 1,963,204,044.14
  5. Step 5: Solve for x
    x = 1,963,204,044.14/43,431.98
  6. Step 6: Final answer
    x = 45,201.81

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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.