Home / 29,080.71-43,621.34-18,699.75

Finding the Fourth Proportional to 29,080.71, 43,621.34 and 18,699.75

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Solution

The fourth proportional to 29,080.71, 43,621.34 and 18,699.75 is: 28,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.71 : 43,621.34 = 18,699.75 : x
  2. Step 2: Convert to fraction form
    29,080.71/43,621.34 = 18,699.75/x
  3. Step 3: Cross multiply
    29,080.71x = 43,621.34 × 18,699.75
  4. Step 4: Simplify right side
    29,080.71x = 815,708,059.17
  5. Step 5: Solve for x
    x = 815,708,059.17/29,080.71
  6. Step 6: Final answer
    x = 28,049.80

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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.