Home / 51,839.46-77,905.44-30,783.15

Finding the Fourth Proportional to 51,839.46, 77,905.44 and 30,783.15

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Solution

The fourth proportional to 51,839.46, 77,905.44 and 30,783.15 is: 46,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,839.46 : 77,905.44 = 30,783.15 : x
  2. Step 2: Convert to fraction form
    51,839.46/77,905.44 = 30,783.15/x
  3. Step 3: Cross multiply
    51,839.46x = 77,905.44 × 30,783.15
  4. Step 4: Simplify right side
    51,839.46x = 2,398,174,845.34
  5. Step 5: Solve for x
    x = 2,398,174,845.34/51,839.46
  6. Step 6: Final answer
    x = 46,261.57

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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.