Home / 40,708.99-61,072.26-12,628.49

Finding the Fourth Proportional to 40,708.99, 61,072.26 and 12,628.49

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Solution

The fourth proportional to 40,708.99, 61,072.26 and 12,628.49 is: 18,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.99 : 61,072.26 = 12,628.49 : x
  2. Step 2: Convert to fraction form
    40,708.99/61,072.26 = 12,628.49/x
  3. Step 3: Cross multiply
    40,708.99x = 61,072.26 × 12,628.49
  4. Step 4: Simplify right side
    40,708.99x = 771,250,424.69
  5. Step 5: Solve for x
    x = 771,250,424.69/40,708.99
  6. Step 6: Final answer
    x = 18,945.46

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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.