Home / 55,844-83,778.36-18,402.56

Finding the Fourth Proportional to 55,844, 83,778.36 and 18,402.56

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Solution

The fourth proportional to 55,844, 83,778.36 and 18,402.56 is: 27,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,844 : 83,778.36 = 18,402.56 : x
  2. Step 2: Convert to fraction form
    55,844/83,778.36 = 18,402.56/x
  3. Step 3: Cross multiply
    55,844x = 83,778.36 × 18,402.56
  4. Step 4: Simplify right side
    55,844x = 1,541,736,296.60
  5. Step 5: Solve for x
    x = 1,541,736,296.60/55,844
  6. Step 6: Final answer
    x = 27,607.91

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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.