Home / 29,958.12-41,373.54-18,786.28

Finding the Fourth Proportional to 29,958.12, 41,373.54 and 18,786.28

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Solution

The fourth proportional to 29,958.12, 41,373.54 and 18,786.28 is: 25,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,958.12 : 41,373.54 = 18,786.28 : x
  2. Step 2: Convert to fraction form
    29,958.12/41,373.54 = 18,786.28/x
  3. Step 3: Cross multiply
    29,958.12x = 41,373.54 × 18,786.28
  4. Step 4: Simplify right side
    29,958.12x = 777,254,907.03
  5. Step 5: Solve for x
    x = 777,254,907.03/29,958.12
  6. Step 6: Final answer
    x = 25,944.72

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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.