Home / 34,168.80-51,261.30-13,107.72

Finding the Fourth Proportional to 34,168.80, 51,261.30 and 13,107.72

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Solution

The fourth proportional to 34,168.80, 51,261.30 and 13,107.72 is: 19,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.80 : 51,261.30 = 13,107.72 : x
  2. Step 2: Convert to fraction form
    34,168.80/51,261.30 = 13,107.72/x
  3. Step 3: Cross multiply
    34,168.80x = 51,261.30 × 13,107.72
  4. Step 4: Simplify right side
    34,168.80x = 671,918,767.24
  5. Step 5: Solve for x
    x = 671,918,767.24/34,168.80
  6. Step 6: Final answer
    x = 19,664.69

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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.