Home / 54,544.05-81,807.84-19,010.75

Finding the Fourth Proportional to 54,544.05, 81,807.84 and 19,010.75

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Solution

The fourth proportional to 54,544.05, 81,807.84 and 19,010.75 is: 28,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,544.05 : 81,807.84 = 19,010.75 : x
  2. Step 2: Convert to fraction form
    54,544.05/81,807.84 = 19,010.75/x
  3. Step 3: Cross multiply
    54,544.05x = 81,807.84 × 19,010.75
  4. Step 4: Simplify right side
    54,544.05x = 1,555,227,985.24
  5. Step 5: Solve for x
    x = 1,555,227,985.24/54,544.05
  6. Step 6: Final answer
    x = 28,513.25

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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.