Home / 39,647.72-59,438.25-18,576.65

Finding the Fourth Proportional to 39,647.72, 59,438.25 and 18,576.65

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Solution

The fourth proportional to 39,647.72, 59,438.25 and 18,576.65 is: 27,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.72 : 59,438.25 = 18,576.65 : x
  2. Step 2: Convert to fraction form
    39,647.72/59,438.25 = 18,576.65/x
  3. Step 3: Cross multiply
    39,647.72x = 59,438.25 × 18,576.65
  4. Step 4: Simplify right side
    39,647.72x = 1,104,163,269.67
  5. Step 5: Solve for x
    x = 1,104,163,269.67/39,647.72
  6. Step 6: Final answer
    x = 27,849.35

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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.