Home / 51,018.75-76,335.75-45,839.07

Finding the Fourth Proportional to 51,018.75, 76,335.75 and 45,839.07

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Solution

The fourth proportional to 51,018.75, 76,335.75 and 45,839.07 is: 68,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.75 : 76,335.75 = 45,839.07 : x
  2. Step 2: Convert to fraction form
    51,018.75/76,335.75 = 45,839.07/x
  3. Step 3: Cross multiply
    51,018.75x = 76,335.75 × 45,839.07
  4. Step 4: Simplify right side
    51,018.75x = 3,499,159,787.75
  5. Step 5: Solve for x
    x = 3,499,159,787.75/51,018.75
  6. Step 6: Final answer
    x = 68,585.76

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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.