Home / 29,131.95-43,697.94-12,481.23

Finding the Fourth Proportional to 29,131.95, 43,697.94 and 12,481.23

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Solution

The fourth proportional to 29,131.95, 43,697.94 and 12,481.23 is: 18,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.95 : 43,697.94 = 12,481.23 : x
  2. Step 2: Convert to fraction form
    29,131.95/43,697.94 = 12,481.23/x
  3. Step 3: Cross multiply
    29,131.95x = 43,697.94 × 12,481.23
  4. Step 4: Simplify right side
    29,131.95x = 545,404,039.67
  5. Step 5: Solve for x
    x = 545,404,039.67/29,131.95
  6. Step 6: Final answer
    x = 18,721.85

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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.