Home / 43,245.48-64,876.97-18,285.49

Finding the Fourth Proportional to 43,245.48, 64,876.97 and 18,285.49

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Solution

The fourth proportional to 43,245.48, 64,876.97 and 18,285.49 is: 27,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,245.48 : 64,876.97 = 18,285.49 : x
  2. Step 2: Convert to fraction form
    43,245.48/64,876.97 = 18,285.49/x
  3. Step 3: Cross multiply
    43,245.48x = 64,876.97 × 18,285.49
  4. Step 4: Simplify right side
    43,245.48x = 1,186,306,948.04
  5. Step 5: Solve for x
    x = 1,186,306,948.04/43,245.48
  6. Step 6: Final answer
    x = 27,431.93

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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.