Home / 54,538.05-81,802.76-19,474.05

Finding the Fourth Proportional to 54,538.05, 81,802.76 and 19,474.05

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Solution

The fourth proportional to 54,538.05, 81,802.76 and 19,474.05 is: 29,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.05 : 81,802.76 = 19,474.05 : x
  2. Step 2: Convert to fraction form
    54,538.05/81,802.76 = 19,474.05/x
  3. Step 3: Cross multiply
    54,538.05x = 81,802.76 × 19,474.05
  4. Step 4: Simplify right side
    54,538.05x = 1,593,030,941.01
  5. Step 5: Solve for x
    x = 1,593,030,941.01/54,538.05
  6. Step 6: Final answer
    x = 29,209.53

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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.