Home / 66,004.33-99,001.31-18,617.50

Finding the Fourth Proportional to 66,004.33, 99,001.31 and 18,617.50

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Solution

The fourth proportional to 66,004.33, 99,001.31 and 18,617.50 is: 27,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.33 : 99,001.31 = 18,617.50 : x
  2. Step 2: Convert to fraction form
    66,004.33/99,001.31 = 18,617.50/x
  3. Step 3: Cross multiply
    66,004.33x = 99,001.31 × 18,617.50
  4. Step 4: Simplify right side
    66,004.33x = 1,843,156,300.83
  5. Step 5: Solve for x
    x = 1,843,156,300.83/66,004.33
  6. Step 6: Final answer
    x = 27,924.78

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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.