Home / 55,787.07-83,662.83-18,338.49

Finding the Fourth Proportional to 55,787.07, 83,662.83 and 18,338.49

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Solution

The fourth proportional to 55,787.07, 83,662.83 and 18,338.49 is: 27,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.07 : 83,662.83 = 18,338.49 : x
  2. Step 2: Convert to fraction form
    55,787.07/83,662.83 = 18,338.49/x
  3. Step 3: Cross multiply
    55,787.07x = 83,662.83 × 18,338.49
  4. Step 4: Simplify right side
    55,787.07x = 1,534,249,971.33
  5. Step 5: Solve for x
    x = 1,534,249,971.33/55,787.07
  6. Step 6: Final answer
    x = 27,501.89

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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.