Home / 55,918.19-83,877.79-15,937.09

Finding the Fourth Proportional to 55,918.19, 83,877.79 and 15,937.09

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Solution

The fourth proportional to 55,918.19, 83,877.79 and 15,937.09 is: 23,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.19 : 83,877.79 = 15,937.09 : x
  2. Step 2: Convert to fraction form
    55,918.19/83,877.79 = 15,937.09/x
  3. Step 3: Cross multiply
    55,918.19x = 83,877.79 × 15,937.09
  4. Step 4: Simplify right side
    55,918.19x = 1,336,768,044.85
  5. Step 5: Solve for x
    x = 1,336,768,044.85/55,918.19
  6. Step 6: Final answer
    x = 23,905.78

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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.