Home / 54,618.29-81,947.01-21,362.22

Finding the Fourth Proportional to 54,618.29, 81,947.01 and 21,362.22

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Solution

The fourth proportional to 54,618.29, 81,947.01 and 21,362.22 is: 32,050.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.29 : 81,947.01 = 21,362.22 : x
  2. Step 2: Convert to fraction form
    54,618.29/81,947.01 = 21,362.22/x
  3. Step 3: Cross multiply
    54,618.29x = 81,947.01 × 21,362.22
  4. Step 4: Simplify right side
    54,618.29x = 1,750,570,055.96
  5. Step 5: Solve for x
    x = 1,750,570,055.96/54,618.29
  6. Step 6: Final answer
    x = 32,050.99

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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.