Home / 66,013.74-99,026.43-18,629.25

Finding the Fourth Proportional to 66,013.74, 99,026.43 and 18,629.25

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Solution

The fourth proportional to 66,013.74, 99,026.43 and 18,629.25 is: 27,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,013.74 : 99,026.43 = 18,629.25 : x
  2. Step 2: Convert to fraction form
    66,013.74/99,026.43 = 18,629.25/x
  3. Step 3: Cross multiply
    66,013.74x = 99,026.43 × 18,629.25
  4. Step 4: Simplify right side
    66,013.74x = 1,844,788,121.08
  5. Step 5: Solve for x
    x = 1,844,788,121.08/66,013.74
  6. Step 6: Final answer
    x = 27,945.52

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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.