Home / 29,820.80-41,150.66-16,391.77

Finding the Fourth Proportional to 29,820.80, 41,150.66 and 16,391.77

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Solution

The fourth proportional to 29,820.80, 41,150.66 and 16,391.77 is: 22,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.80 : 41,150.66 = 16,391.77 : x
  2. Step 2: Convert to fraction form
    29,820.80/41,150.66 = 16,391.77/x
  3. Step 3: Cross multiply
    29,820.80x = 41,150.66 × 16,391.77
  4. Step 4: Simplify right side
    29,820.80x = 674,531,969.23
  5. Step 5: Solve for x
    x = 674,531,969.23/29,820.80
  6. Step 6: Final answer
    x = 22,619.51

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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.