Home / 29,180.28-43,694.82-21,250.20

Finding the Fourth Proportional to 29,180.28, 43,694.82 and 21,250.20

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Solution

The fourth proportional to 29,180.28, 43,694.82 and 21,250.20 is: 31,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.28 : 43,694.82 = 21,250.20 : x
  2. Step 2: Convert to fraction form
    29,180.28/43,694.82 = 21,250.20/x
  3. Step 3: Cross multiply
    29,180.28x = 43,694.82 × 21,250.20
  4. Step 4: Simplify right side
    29,180.28x = 928,523,663.96
  5. Step 5: Solve for x
    x = 928,523,663.96/29,180.28
  6. Step 6: Final answer
    x = 31,820.25

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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.