Home / 51,994.20-77,991.30-43,537.80

Finding the Fourth Proportional to 51,994.20, 77,991.30 and 43,537.80

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Solution

The fourth proportional to 51,994.20, 77,991.30 and 43,537.80 is: 65,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.20 : 77,991.30 = 43,537.80 : x
  2. Step 2: Convert to fraction form
    51,994.20/77,991.30 = 43,537.80/x
  3. Step 3: Cross multiply
    51,994.20x = 77,991.30 × 43,537.80
  4. Step 4: Simplify right side
    51,994.20x = 3,395,569,621.14
  5. Step 5: Solve for x
    x = 3,395,569,621.14/51,994.20
  6. Step 6: Final answer
    x = 65,306.70

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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.