Home / 30,021.83-41,427.24-16,590.91

Finding the Fourth Proportional to 30,021.83, 41,427.24 and 16,590.91

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Solution

The fourth proportional to 30,021.83, 41,427.24 and 16,590.91 is: 22,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,021.83 : 41,427.24 = 16,590.91 : x
  2. Step 2: Convert to fraction form
    30,021.83/41,427.24 = 16,590.91/x
  3. Step 3: Cross multiply
    30,021.83x = 41,427.24 × 16,590.91
  4. Step 4: Simplify right side
    30,021.83x = 687,315,610.39
  5. Step 5: Solve for x
    x = 687,315,610.39/30,021.83
  6. Step 6: Final answer
    x = 22,893.86

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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.