Home / 29,186.52-43,820.34-20,280.88

Finding the Fourth Proportional to 29,186.52, 43,820.34 and 20,280.88

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Solution

The fourth proportional to 29,186.52, 43,820.34 and 20,280.88 is: 30,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186.52 : 43,820.34 = 20,280.88 : x
  2. Step 2: Convert to fraction form
    29,186.52/43,820.34 = 20,280.88/x
  3. Step 3: Cross multiply
    29,186.52x = 43,820.34 × 20,280.88
  4. Step 4: Simplify right side
    29,186.52x = 888,714,736.59
  5. Step 5: Solve for x
    x = 888,714,736.59/29,186.52
  6. Step 6: Final answer
    x = 30,449.49

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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.