Home / 34,121.71-51,186.89-13,342.51

Finding the Fourth Proportional to 34,121.71, 51,186.89 and 13,342.51

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Solution

The fourth proportional to 34,121.71, 51,186.89 and 13,342.51 is: 20,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.71 : 51,186.89 = 13,342.51 : x
  2. Step 2: Convert to fraction form
    34,121.71/51,186.89 = 13,342.51/x
  3. Step 3: Cross multiply
    34,121.71x = 51,186.89 × 13,342.51
  4. Step 4: Simplify right side
    34,121.71x = 682,961,591.69
  5. Step 5: Solve for x
    x = 682,961,591.69/34,121.71
  6. Step 6: Final answer
    x = 20,015.46

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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.