Home / 54,595.24-81,900.56-19,051.40

Finding the Fourth Proportional to 54,595.24, 81,900.56 and 19,051.40

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Solution

The fourth proportional to 54,595.24, 81,900.56 and 19,051.40 is: 28,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,595.24 : 81,900.56 = 19,051.40 : x
  2. Step 2: Convert to fraction form
    54,595.24/81,900.56 = 19,051.40/x
  3. Step 3: Cross multiply
    54,595.24x = 81,900.56 × 19,051.40
  4. Step 4: Simplify right side
    54,595.24x = 1,560,320,581.16
  5. Step 5: Solve for x
    x = 1,560,320,581.16/54,595.24
  6. Step 6: Final answer
    x = 28,579.79

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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.