Home / 39,687.98-59,532.57-30,344.63

Finding the Fourth Proportional to 39,687.98, 59,532.57 and 30,344.63

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Solution

The fourth proportional to 39,687.98, 59,532.57 and 30,344.63 is: 45,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.98 : 59,532.57 = 30,344.63 : x
  2. Step 2: Convert to fraction form
    39,687.98/59,532.57 = 30,344.63/x
  3. Step 3: Cross multiply
    39,687.98x = 59,532.57 × 30,344.63
  4. Step 4: Simplify right side
    39,687.98x = 1,806,493,511.94
  5. Step 5: Solve for x
    x = 1,806,493,511.94/39,687.98
  6. Step 6: Final answer
    x = 45,517.40

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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.