Home / 29,922.12-41,320.44-18,763.56

Finding the Fourth Proportional to 29,922.12, 41,320.44 and 18,763.56

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Solution

The fourth proportional to 29,922.12, 41,320.44 and 18,763.56 is: 25,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,922.12 : 41,320.44 = 18,763.56 : x
  2. Step 2: Convert to fraction form
    29,922.12/41,320.44 = 18,763.56/x
  3. Step 3: Cross multiply
    29,922.12x = 41,320.44 × 18,763.56
  4. Step 4: Simplify right side
    29,922.12x = 775,318,555.17
  5. Step 5: Solve for x
    x = 775,318,555.17/29,922.12
  6. Step 6: Final answer
    x = 25,911.22

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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.