Home / 30,239.91-41,730.12-16,810.92

Finding the Fourth Proportional to 30,239.91, 41,730.12 and 16,810.92

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Solution

The fourth proportional to 30,239.91, 41,730.12 and 16,810.92 is: 23,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.91 : 41,730.12 = 16,810.92 : x
  2. Step 2: Convert to fraction form
    30,239.91/41,730.12 = 16,810.92/x
  3. Step 3: Cross multiply
    30,239.91x = 41,730.12 × 16,810.92
  4. Step 4: Simplify right side
    30,239.91x = 701,521,708.91
  5. Step 5: Solve for x
    x = 701,521,708.91/30,239.91
  6. Step 6: Final answer
    x = 23,198.54

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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.