Home / 54,403.50-81,580.62-19,344.08

Finding the Fourth Proportional to 54,403.50, 81,580.62 and 19,344.08

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Solution

The fourth proportional to 54,403.50, 81,580.62 and 19,344.08 is: 29,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.50 : 81,580.62 = 19,344.08 : x
  2. Step 2: Convert to fraction form
    54,403.50/81,580.62 = 19,344.08/x
  3. Step 3: Cross multiply
    54,403.50x = 81,580.62 × 19,344.08
  4. Step 4: Simplify right side
    54,403.50x = 1,578,102,039.73
  5. Step 5: Solve for x
    x = 1,578,102,039.73/54,403.50
  6. Step 6: Final answer
    x = 29,007.36

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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.