Home / 39,576.80-59,374.20-18,501.50

Finding the Fourth Proportional to 39,576.80, 59,374.20 and 18,501.50

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Solution

The fourth proportional to 39,576.80, 59,374.20 and 18,501.50 is: 27,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,576.80 : 59,374.20 = 18,501.50 : x
  2. Step 2: Convert to fraction form
    39,576.80/59,374.20 = 18,501.50/x
  3. Step 3: Cross multiply
    39,576.80x = 59,374.20 × 18,501.50
  4. Step 4: Simplify right side
    39,576.80x = 1,098,511,761.30
  5. Step 5: Solve for x
    x = 1,098,511,761.30/39,576.80
  6. Step 6: Final answer
    x = 27,756.46

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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.