Home / 43,239.36-64,859.22-12,074.52

Finding the Fourth Proportional to 43,239.36, 64,859.22 and 12,074.52

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Solution

The fourth proportional to 43,239.36, 64,859.22 and 12,074.52 is: 18,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.36 : 64,859.22 = 12,074.52 : x
  2. Step 2: Convert to fraction form
    43,239.36/64,859.22 = 12,074.52/x
  3. Step 3: Cross multiply
    43,239.36x = 64,859.22 × 12,074.52
  4. Step 4: Simplify right side
    43,239.36x = 783,143,949.07
  5. Step 5: Solve for x
    x = 783,143,949.07/43,239.36
  6. Step 6: Final answer
    x = 18,111.83

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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.