Home / 51,036.94-76,557.12-17,759.80

Finding the Fourth Proportional to 51,036.94, 76,557.12 and 17,759.80

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Solution

The fourth proportional to 51,036.94, 76,557.12 and 17,759.80 is: 26,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.94 : 76,557.12 = 17,759.80 : x
  2. Step 2: Convert to fraction form
    51,036.94/76,557.12 = 17,759.80/x
  3. Step 3: Cross multiply
    51,036.94x = 76,557.12 × 17,759.80
  4. Step 4: Simplify right side
    51,036.94x = 1,359,639,139.78
  5. Step 5: Solve for x
    x = 1,359,639,139.78/51,036.94
  6. Step 6: Final answer
    x = 26,640.30

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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.