Home / 55,033.52-82,551.84-13,480.48

Finding the Fourth Proportional to 55,033.52, 82,551.84 and 13,480.48

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Solution

The fourth proportional to 55,033.52, 82,551.84 and 13,480.48 is: 20,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,033.52 : 82,551.84 = 13,480.48 : x
  2. Step 2: Convert to fraction form
    55,033.52/82,551.84 = 13,480.48/x
  3. Step 3: Cross multiply
    55,033.52x = 82,551.84 × 13,480.48
  4. Step 4: Simplify right side
    55,033.52x = 1,112,838,428.08
  5. Step 5: Solve for x
    x = 1,112,838,428.08/55,033.52
  6. Step 6: Final answer
    x = 20,221.10

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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.