Home / 29,335.56-40,483.11-15,906.75

Finding the Fourth Proportional to 29,335.56, 40,483.11 and 15,906.75

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Solution

The fourth proportional to 29,335.56, 40,483.11 and 15,906.75 is: 21,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.56 : 40,483.11 = 15,906.75 : x
  2. Step 2: Convert to fraction form
    29,335.56/40,483.11 = 15,906.75/x
  3. Step 3: Cross multiply
    29,335.56x = 40,483.11 × 15,906.75
  4. Step 4: Simplify right side
    29,335.56x = 643,954,709.99
  5. Step 5: Solve for x
    x = 643,954,709.99/29,335.56
  6. Step 6: Final answer
    x = 21,951.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.