Home / 54,574.46-81,875.30-19,036.28

Finding the Fourth Proportional to 54,574.46, 81,875.30 and 19,036.28

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Solution

The fourth proportional to 54,574.46, 81,875.30 and 19,036.28 is: 28,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,574.46 : 81,875.30 = 19,036.28 : x
  2. Step 2: Convert to fraction form
    54,574.46/81,875.30 = 19,036.28/x
  3. Step 3: Cross multiply
    54,574.46x = 81,875.30 × 19,036.28
  4. Step 4: Simplify right side
    54,574.46x = 1,558,601,135.88
  5. Step 5: Solve for x
    x = 1,558,601,135.88/54,574.46
  6. Step 6: Final answer
    x = 28,559.17

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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.