Home / 51,849.72-77,755.14-40,885.56

Finding the Fourth Proportional to 51,849.72, 77,755.14 and 40,885.56

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Solution

The fourth proportional to 51,849.72, 77,755.14 and 40,885.56 is: 61,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,849.72 : 77,755.14 = 40,885.56 : x
  2. Step 2: Convert to fraction form
    51,849.72/77,755.14 = 40,885.56/x
  3. Step 3: Cross multiply
    51,849.72x = 77,755.14 × 40,885.56
  4. Step 4: Simplify right side
    51,849.72x = 3,179,062,441.78
  5. Step 5: Solve for x
    x = 3,179,062,441.78/51,849.72
  6. Step 6: Final answer
    x = 61,313.01

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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.