Home / 40,352.12-60,537.89-12,650.12

Finding the Fourth Proportional to 40,352.12, 60,537.89 and 12,650.12

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Solution

The fourth proportional to 40,352.12, 60,537.89 and 12,650.12 is: 18,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,352.12 : 60,537.89 = 12,650.12 : x
  2. Step 2: Convert to fraction form
    40,352.12/60,537.89 = 12,650.12/x
  3. Step 3: Cross multiply
    40,352.12x = 60,537.89 × 12,650.12
  4. Step 4: Simplify right side
    40,352.12x = 765,811,301.98
  5. Step 5: Solve for x
    x = 765,811,301.98/40,352.12
  6. Step 6: Final answer
    x = 18,978.22

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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.