Home / 54,337.38-81,490.28-21,050.03

Finding the Fourth Proportional to 54,337.38, 81,490.28 and 21,050.03

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Solution

The fourth proportional to 54,337.38, 81,490.28 and 21,050.03 is: 31,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.38 : 81,490.28 = 21,050.03 : x
  2. Step 2: Convert to fraction form
    54,337.38/81,490.28 = 21,050.03/x
  3. Step 3: Cross multiply
    54,337.38x = 81,490.28 × 21,050.03
  4. Step 4: Simplify right side
    54,337.38x = 1,715,372,326.01
  5. Step 5: Solve for x
    x = 1,715,372,326.01/54,337.38
  6. Step 6: Final answer
    x = 31,568.92

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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.