Home / 37,320.52-55,963.04-13,611.28

Finding the Fourth Proportional to 37,320.52, 55,963.04 and 13,611.28

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Solution

The fourth proportional to 37,320.52, 55,963.04 and 13,611.28 is: 20,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,320.52 : 55,963.04 = 13,611.28 : x
  2. Step 2: Convert to fraction form
    37,320.52/55,963.04 = 13,611.28/x
  3. Step 3: Cross multiply
    37,320.52x = 55,963.04 × 13,611.28
  4. Step 4: Simplify right side
    37,320.52x = 761,728,607.09
  5. Step 5: Solve for x
    x = 761,728,607.09/37,320.52
  6. Step 6: Final answer
    x = 20,410.45

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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.