Home / 51,426.36-70,991.64-30,207.33

Finding the Fourth Proportional to 51,426.36, 70,991.64 and 30,207.33

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Solution

The fourth proportional to 51,426.36, 70,991.64 and 30,207.33 is: 41,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426.36 : 70,991.64 = 30,207.33 : x
  2. Step 2: Convert to fraction form
    51,426.36/70,991.64 = 30,207.33/x
  3. Step 3: Cross multiply
    51,426.36x = 70,991.64 × 30,207.33
  4. Step 4: Simplify right side
    51,426.36x = 2,144,467,896.72
  5. Step 5: Solve for x
    x = 2,144,467,896.72/51,426.36
  6. Step 6: Final answer
    x = 41,699.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.