Home / 30,705.92-42,375.00-17,277.65

Finding the Fourth Proportional to 30,705.92, 42,375.00 and 17,277.65

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Solution

The fourth proportional to 30,705.92, 42,375.00 and 17,277.65 is: 23,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,705.92 : 42,375.00 = 17,277.65 : x
  2. Step 2: Convert to fraction form
    30,705.92/42,375.00 = 17,277.65/x
  3. Step 3: Cross multiply
    30,705.92x = 42,375.00 × 17,277.65
  4. Step 4: Simplify right side
    30,705.92x = 732,140,284.79
  5. Step 5: Solve for x
    x = 732,140,284.79/30,705.92
  6. Step 6: Final answer
    x = 23,843.62

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1.5x scale

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.