Home / 37,128.40-55,679.63-14,936.02

Finding the Fourth Proportional to 37,128.40, 55,679.63 and 14,936.02

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Solution

The fourth proportional to 37,128.40, 55,679.63 and 14,936.02 is: 22,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.40 : 55,679.63 = 14,936.02 : x
  2. Step 2: Convert to fraction form
    37,128.40/55,679.63 = 14,936.02/x
  3. Step 3: Cross multiply
    37,128.40x = 55,679.63 × 14,936.02
  4. Step 4: Simplify right side
    37,128.40x = 831,631,992.59
  5. Step 5: Solve for x
    x = 831,631,992.59/37,128.40
  6. Step 6: Final answer
    x = 22,398.81

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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.