Home / 54,402.27-81,554.15-19,333.73

Finding the Fourth Proportional to 54,402.27, 81,554.15 and 19,333.73

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Solution

The fourth proportional to 54,402.27, 81,554.15 and 19,333.73 is: 28,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402.27 : 81,554.15 = 19,333.73 : x
  2. Step 2: Convert to fraction form
    54,402.27/81,554.15 = 19,333.73/x
  3. Step 3: Cross multiply
    54,402.27x = 81,554.15 × 19,333.73
  4. Step 4: Simplify right side
    54,402.27x = 1,576,745,412.04
  5. Step 5: Solve for x
    x = 1,576,745,412.04/54,402.27
  6. Step 6: Final answer
    x = 28,983.08

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1.5x scale

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.