Home / 29,008.08-43,481.76-12,150.78

Finding the Fourth Proportional to 29,008.08, 43,481.76 and 12,150.78

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Solution

The fourth proportional to 29,008.08, 43,481.76 and 12,150.78 is: 18,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.08 : 43,481.76 = 12,150.78 : x
  2. Step 2: Convert to fraction form
    29,008.08/43,481.76 = 12,150.78/x
  3. Step 3: Cross multiply
    29,008.08x = 43,481.76 × 12,150.78
  4. Step 4: Simplify right side
    29,008.08x = 528,337,299.77
  5. Step 5: Solve for x
    x = 528,337,299.77/29,008.08
  6. Step 6: Final answer
    x = 18,213.45

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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.