Home / 34,630.39-51,952.07-13,855.51

Finding the Fourth Proportional to 34,630.39, 51,952.07 and 13,855.51

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Solution

The fourth proportional to 34,630.39, 51,952.07 and 13,855.51 is: 20,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,630.39 : 51,952.07 = 13,855.51 : x
  2. Step 2: Convert to fraction form
    34,630.39/51,952.07 = 13,855.51/x
  3. Step 3: Cross multiply
    34,630.39x = 51,952.07 × 13,855.51
  4. Step 4: Simplify right side
    34,630.39x = 719,822,425.41
  5. Step 5: Solve for x
    x = 719,822,425.41/34,630.39
  6. Step 6: Final answer
    x = 20,785.86

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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.