Home / 58,376.21-87,576.62-18,930.25

Finding the Fourth Proportional to 58,376.21, 87,576.62 and 18,930.25

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Solution

The fourth proportional to 58,376.21, 87,576.62 and 18,930.25 is: 28,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,376.21 : 87,576.62 = 18,930.25 : x
  2. Step 2: Convert to fraction form
    58,376.21/87,576.62 = 18,930.25/x
  3. Step 3: Cross multiply
    58,376.21x = 87,576.62 × 18,930.25
  4. Step 4: Simplify right side
    58,376.21x = 1,657,847,216.10
  5. Step 5: Solve for x
    x = 1,657,847,216.10/58,376.21
  6. Step 6: Final answer
    x = 28,399.37

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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.