Home / 30,240.20-41,703.56-18,906.08

Finding the Fourth Proportional to 30,240.20, 41,703.56 and 18,906.08

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Solution

The fourth proportional to 30,240.20, 41,703.56 and 18,906.08 is: 26,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.20 : 41,703.56 = 18,906.08 : x
  2. Step 2: Convert to fraction form
    30,240.20/41,703.56 = 18,906.08/x
  3. Step 3: Cross multiply
    30,240.20x = 41,703.56 × 18,906.08
  4. Step 4: Simplify right side
    30,240.20x = 788,450,841.64
  5. Step 5: Solve for x
    x = 788,450,841.64/30,240.20
  6. Step 6: Final answer
    x = 26,072.94

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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.