Home / 34,062.75-51,107.13-13,287.87

Finding the Fourth Proportional to 34,062.75, 51,107.13 and 13,287.87

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Solution

The fourth proportional to 34,062.75, 51,107.13 and 13,287.87 is: 19,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,062.75 : 51,107.13 = 13,287.87 : x
  2. Step 2: Convert to fraction form
    34,062.75/51,107.13 = 13,287.87/x
  3. Step 3: Cross multiply
    34,062.75x = 51,107.13 × 13,287.87
  4. Step 4: Simplify right side
    34,062.75x = 679,104,899.51
  5. Step 5: Solve for x
    x = 679,104,899.51/34,062.75
  6. Step 6: Final answer
    x = 19,936.88

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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.