Home / 39,809.72-59,723.22-12,107

Finding the Fourth Proportional to 39,809.72, 59,723.22 and 12,107

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Solution

The fourth proportional to 39,809.72, 59,723.22 and 12,107 is: 18,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.72 : 59,723.22 = 12,107 : x
  2. Step 2: Convert to fraction form
    39,809.72/59,723.22 = 12,107/x
  3. Step 3: Cross multiply
    39,809.72x = 59,723.22 × 12,107
  4. Step 4: Simplify right side
    39,809.72x = 723,069,024.54
  5. Step 5: Solve for x
    x = 723,069,024.54/39,809.72
  6. Step 6: Final answer
    x = 18,163.13

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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.