Home / 51,776.36-77,615.32-33,003.70

Finding the Fourth Proportional to 51,776.36, 77,615.32 and 33,003.70

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Solution

The fourth proportional to 51,776.36, 77,615.32 and 33,003.70 is: 49,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,776.36 : 77,615.32 = 33,003.70 : x
  2. Step 2: Convert to fraction form
    51,776.36/77,615.32 = 33,003.70/x
  3. Step 3: Cross multiply
    51,776.36x = 77,615.32 × 33,003.70
  4. Step 4: Simplify right side
    51,776.36x = 2,561,592,736.68
  5. Step 5: Solve for x
    x = 2,561,592,736.68/51,776.36
  6. Step 6: Final answer
    x = 49,474.18

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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.