Home / 29,011.68-43,505.91-12,379.14

Finding the Fourth Proportional to 29,011.68, 43,505.91 and 12,379.14

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Solution

The fourth proportional to 29,011.68, 43,505.91 and 12,379.14 is: 18,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.68 : 43,505.91 = 12,379.14 : x
  2. Step 2: Convert to fraction form
    29,011.68/43,505.91 = 12,379.14/x
  3. Step 3: Cross multiply
    29,011.68x = 43,505.91 × 12,379.14
  4. Step 4: Simplify right side
    29,011.68x = 538,565,750.72
  5. Step 5: Solve for x
    x = 538,565,750.72/29,011.68
  6. Step 6: Final answer
    x = 18,563.76

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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.