Home / 29,121.81-43,682.76-8,858.75

Finding the Fourth Proportional to 29,121.81, 43,682.76 and 8,858.75

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Solution

The fourth proportional to 29,121.81, 43,682.76 and 8,858.75 is: 13,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.81 : 43,682.76 = 8,858.75 : x
  2. Step 2: Convert to fraction form
    29,121.81/43,682.76 = 8,858.75/x
  3. Step 3: Cross multiply
    29,121.81x = 43,682.76 × 8,858.75
  4. Step 4: Simplify right side
    29,121.81x = 386,974,431.74
  5. Step 5: Solve for x
    x = 386,974,431.74/29,121.81
  6. Step 6: Final answer
    x = 13,288.13

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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.