Home / 30,694.52-42,360-17,267.96

Finding the Fourth Proportional to 30,694.52, 42,360 and 17,267.96

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Solution

The fourth proportional to 30,694.52, 42,360 and 17,267.96 is: 23,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694.52 : 42,360 = 17,267.96 : x
  2. Step 2: Convert to fraction form
    30,694.52/42,360 = 17,267.96/x
  3. Step 3: Cross multiply
    30,694.52x = 42,360 × 17,267.96
  4. Step 4: Simplify right side
    30,694.52x = 731,470,785.60
  5. Step 5: Solve for x
    x = 731,470,785.60/30,694.52
  6. Step 6: Final answer
    x = 23,830.66

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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.