Home / 29,192.70-43,821.45-18,111.90

Finding the Fourth Proportional to 29,192.70, 43,821.45 and 18,111.90

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Solution

The fourth proportional to 29,192.70, 43,821.45 and 18,111.90 is: 27,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,192.70 : 43,821.45 = 18,111.90 : x
  2. Step 2: Convert to fraction form
    29,192.70/43,821.45 = 18,111.90/x
  3. Step 3: Cross multiply
    29,192.70x = 43,821.45 × 18,111.90
  4. Step 4: Simplify right side
    29,192.70x = 793,689,720.26
  5. Step 5: Solve for x
    x = 793,689,720.26/29,192.70
  6. Step 6: Final answer
    x = 27,187.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.