Home / 51,414.48-77,133.60-21,833.28

Finding the Fourth Proportional to 51,414.48, 77,133.60 and 21,833.28

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Solution

The fourth proportional to 51,414.48, 77,133.60 and 21,833.28 is: 32,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.48 : 77,133.60 = 21,833.28 : x
  2. Step 2: Convert to fraction form
    51,414.48/77,133.60 = 21,833.28/x
  3. Step 3: Cross multiply
    51,414.48x = 77,133.60 × 21,833.28
  4. Step 4: Simplify right side
    51,414.48x = 1,684,079,486.21
  5. Step 5: Solve for x
    x = 1,684,079,486.21/51,414.48
  6. Step 6: Final answer
    x = 32,754.96

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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.