Home / 23,104.86-31,883.67-21,342.30

Finding the Fourth Proportional to 23,104.86, 31,883.67 and 21,342.30

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Solution

The fourth proportional to 23,104.86, 31,883.67 and 21,342.30 is: 29,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,104.86 : 31,883.67 = 21,342.30 : x
  2. Step 2: Convert to fraction form
    23,104.86/31,883.67 = 21,342.30/x
  3. Step 3: Cross multiply
    23,104.86x = 31,883.67 × 21,342.30
  4. Step 4: Simplify right side
    23,104.86x = 680,470,850.24
  5. Step 5: Solve for x
    x = 680,470,850.24/23,104.86
  6. Step 6: Final answer
    x = 29,451.42

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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.