Home / 30,060.90-41,458.59-18,121.62

Finding the Fourth Proportional to 30,060.90, 41,458.59 and 18,121.62

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Solution

The fourth proportional to 30,060.90, 41,458.59 and 18,121.62 is: 24,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.90 : 41,458.59 = 18,121.62 : x
  2. Step 2: Convert to fraction form
    30,060.90/41,458.59 = 18,121.62/x
  3. Step 3: Cross multiply
    30,060.90x = 41,458.59 × 18,121.62
  4. Step 4: Simplify right side
    30,060.90x = 751,296,813.72
  5. Step 5: Solve for x
    x = 751,296,813.72/30,060.90
  6. Step 6: Final answer
    x = 24,992.49

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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.