Home / 43,266.30-64,910.25-12,101.28

Finding the Fourth Proportional to 43,266.30, 64,910.25 and 12,101.28

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Solution

The fourth proportional to 43,266.30, 64,910.25 and 12,101.28 is: 18,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.30 : 64,910.25 = 12,101.28 : x
  2. Step 2: Convert to fraction form
    43,266.30/64,910.25 = 12,101.28/x
  3. Step 3: Cross multiply
    43,266.30x = 64,910.25 × 12,101.28
  4. Step 4: Simplify right side
    43,266.30x = 785,497,110.12
  5. Step 5: Solve for x
    x = 785,497,110.12/43,266.30
  6. Step 6: Final answer
    x = 18,154.94

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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.