Home / 29,146.38-43,708.83-10,421.34

Finding the Fourth Proportional to 29,146.38, 43,708.83 and 10,421.34

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Solution

The fourth proportional to 29,146.38, 43,708.83 and 10,421.34 is: 15,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.38 : 43,708.83 = 10,421.34 : x
  2. Step 2: Convert to fraction form
    29,146.38/43,708.83 = 10,421.34/x
  3. Step 3: Cross multiply
    29,146.38x = 43,708.83 × 10,421.34
  4. Step 4: Simplify right side
    29,146.38x = 455,504,578.43
  5. Step 5: Solve for x
    x = 455,504,578.43/29,146.38
  6. Step 6: Final answer
    x = 15,628.17

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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.