Home / 66,014.36-99,027.38-18,629.87

Finding the Fourth Proportional to 66,014.36, 99,027.38 and 18,629.87

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Solution

The fourth proportional to 66,014.36, 99,027.38 and 18,629.87 is: 27,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014.36 : 99,027.38 = 18,629.87 : x
  2. Step 2: Convert to fraction form
    66,014.36/99,027.38 = 18,629.87/x
  3. Step 3: Cross multiply
    66,014.36x = 99,027.38 × 18,629.87
  4. Step 4: Simplify right side
    66,014.36x = 1,844,866,627.55
  5. Step 5: Solve for x
    x = 1,844,866,627.55/66,014.36
  6. Step 6: Final answer
    x = 27,946.45

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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.