Home / 30,079.13-41,508.59-16,650.38

Finding the Fourth Proportional to 30,079.13, 41,508.59 and 16,650.38

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Solution

The fourth proportional to 30,079.13, 41,508.59 and 16,650.38 is: 22,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.13 : 41,508.59 = 16,650.38 : x
  2. Step 2: Convert to fraction form
    30,079.13/41,508.59 = 16,650.38/x
  3. Step 3: Cross multiply
    30,079.13x = 41,508.59 × 16,650.38
  4. Step 4: Simplify right side
    30,079.13x = 691,133,630.85
  5. Step 5: Solve for x
    x = 691,133,630.85/30,079.13
  6. Step 6: Final answer
    x = 22,977.19

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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.