Home / 30,277.83-41,766.13-18,175.09

Finding the Fourth Proportional to 30,277.83, 41,766.13 and 18,175.09

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Solution

The fourth proportional to 30,277.83, 41,766.13 and 18,175.09 is: 25,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.83 : 41,766.13 = 18,175.09 : x
  2. Step 2: Convert to fraction form
    30,277.83/41,766.13 = 18,175.09/x
  3. Step 3: Cross multiply
    30,277.83x = 41,766.13 × 18,175.09
  4. Step 4: Simplify right side
    30,277.83x = 759,103,171.70
  5. Step 5: Solve for x
    x = 759,103,171.70/30,277.83
  6. Step 6: Final answer
    x = 25,071.25

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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.