Home / 40,703.09-61,063.37-12,622.54

Finding the Fourth Proportional to 40,703.09, 61,063.37 and 12,622.54

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Solution

The fourth proportional to 40,703.09, 61,063.37 and 12,622.54 is: 18,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,703.09 : 61,063.37 = 12,622.54 : x
  2. Step 2: Convert to fraction form
    40,703.09/61,063.37 = 12,622.54/x
  3. Step 3: Cross multiply
    40,703.09x = 61,063.37 × 12,622.54
  4. Step 4: Simplify right side
    40,703.09x = 770,774,614.59
  5. Step 5: Solve for x
    x = 770,774,614.59/40,703.09
  6. Step 6: Final answer
    x = 18,936.51

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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.