Home / 40,965.70-61,412.55-27,775.30

Finding the Fourth Proportional to 40,965.70, 61,412.55 and 27,775.30

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Solution

The fourth proportional to 40,965.70, 61,412.55 and 27,775.30 is: 41,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,965.70 : 61,412.55 = 27,775.30 : x
  2. Step 2: Convert to fraction form
    40,965.70/61,412.55 = 27,775.30/x
  3. Step 3: Cross multiply
    40,965.70x = 61,412.55 × 27,775.30
  4. Step 4: Simplify right side
    40,965.70x = 1,705,752,000.02
  5. Step 5: Solve for x
    x = 1,705,752,000.02/40,965.70
  6. Step 6: Final answer
    x = 41,638.54

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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.