Home / 39,163.69-58,755.10-12,509.68

Finding the Fourth Proportional to 39,163.69, 58,755.10 and 12,509.68

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Solution

The fourth proportional to 39,163.69, 58,755.10 and 12,509.68 is: 18,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.69 : 58,755.10 = 12,509.68 : x
  2. Step 2: Convert to fraction form
    39,163.69/58,755.10 = 12,509.68/x
  3. Step 3: Cross multiply
    39,163.69x = 58,755.10 × 12,509.68
  4. Step 4: Simplify right side
    39,163.69x = 735,007,499.37
  5. Step 5: Solve for x
    x = 735,007,499.37/39,163.69
  6. Step 6: Final answer
    x = 18,767.58

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1.5x scale

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.