Home / 54,330.48-81,507.24-16,889.64

Finding the Fourth Proportional to 54,330.48, 81,507.24 and 16,889.64

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Solution

The fourth proportional to 54,330.48, 81,507.24 and 16,889.64 is: 25,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.48 : 81,507.24 = 16,889.64 : x
  2. Step 2: Convert to fraction form
    54,330.48/81,507.24 = 16,889.64/x
  3. Step 3: Cross multiply
    54,330.48x = 81,507.24 × 16,889.64
  4. Step 4: Simplify right side
    54,330.48x = 1,376,627,940.99
  5. Step 5: Solve for x
    x = 1,376,627,940.99/54,330.48
  6. Step 6: Final answer
    x = 25,338.04

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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.