Home / 30,238.07-41,726.70-16,808.85

Finding the Fourth Proportional to 30,238.07, 41,726.70 and 16,808.85

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Solution

The fourth proportional to 30,238.07, 41,726.70 and 16,808.85 is: 23,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.07 : 41,726.70 = 16,808.85 : x
  2. Step 2: Convert to fraction form
    30,238.07/41,726.70 = 16,808.85/x
  3. Step 3: Cross multiply
    30,238.07x = 41,726.70 × 16,808.85
  4. Step 4: Simplify right side
    30,238.07x = 701,377,841.30
  5. Step 5: Solve for x
    x = 701,377,841.30/30,238.07
  6. Step 6: Final answer
    x = 23,195.20

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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.