Home / 33,278.31-49,898.70-13,533.75

Finding the Fourth Proportional to 33,278.31, 49,898.70 and 13,533.75

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Solution

The fourth proportional to 33,278.31, 49,898.70 and 13,533.75 is: 20,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.31 : 49,898.70 = 13,533.75 : x
  2. Step 2: Convert to fraction form
    33,278.31/49,898.70 = 13,533.75/x
  3. Step 3: Cross multiply
    33,278.31x = 49,898.70 × 13,533.75
  4. Step 4: Simplify right side
    33,278.31x = 675,316,531.13
  5. Step 5: Solve for x
    x = 675,316,531.13/33,278.31
  6. Step 6: Final answer
    x = 20,292.99

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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.