Home / 30,239.90-41,732.49-16,811.38

Finding the Fourth Proportional to 30,239.90, 41,732.49 and 16,811.38

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Solution

The fourth proportional to 30,239.90, 41,732.49 and 16,811.38 is: 23,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.90 : 41,732.49 = 16,811.38 : x
  2. Step 2: Convert to fraction form
    30,239.90/41,732.49 = 16,811.38/x
  3. Step 3: Cross multiply
    30,239.90x = 41,732.49 × 16,811.38
  4. Step 4: Simplify right side
    30,239.90x = 701,580,663.68
  5. Step 5: Solve for x
    x = 701,580,663.68/30,239.90
  6. Step 6: Final answer
    x = 23,200.50

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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.