Home / 54,941.85-82,412.73-19,873.30

Finding the Fourth Proportional to 54,941.85, 82,412.73 and 19,873.30

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Solution

The fourth proportional to 54,941.85, 82,412.73 and 19,873.30 is: 29,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.85 : 82,412.73 = 19,873.30 : x
  2. Step 2: Convert to fraction form
    54,941.85/82,412.73 = 19,873.30/x
  3. Step 3: Cross multiply
    54,941.85x = 82,412.73 × 19,873.30
  4. Step 4: Simplify right side
    54,941.85x = 1,637,812,907.11
  5. Step 5: Solve for x
    x = 1,637,812,907.11/54,941.85
  6. Step 6: Final answer
    x = 29,809.93

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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.