Home / 65,039.45-89,752.55-36,359.15

Finding the Fourth Proportional to 65,039.45, 89,752.55 and 36,359.15

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Solution

The fourth proportional to 65,039.45, 89,752.55 and 36,359.15 is: 50,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,039.45 : 89,752.55 = 36,359.15 : x
  2. Step 2: Convert to fraction form
    65,039.45/89,752.55 = 36,359.15/x
  3. Step 3: Cross multiply
    65,039.45x = 89,752.55 × 36,359.15
  4. Step 4: Simplify right side
    65,039.45x = 3,263,325,797.77
  5. Step 5: Solve for x
    x = 3,263,325,797.77/65,039.45
  6. Step 6: Final answer
    x = 50,174.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.